How To Build A River Rock Retaining Wall: A Step-By-Step Guide?

Building a river rock retaining wall not only adds visual appeal but also prevents soil erosion, and this guide by rockscapes.net provides the essential steps for constructing a durable and beautiful wall. Discover the best practices for selecting stones, creating a stable base, and ensuring proper drainage for a long-lasting structure, all while enhancing your landscape with natural stone elements.

Table of Contents

1. Understanding River Rock Retaining Walls

1.1. What is a River Rock Retaining Wall?
1.2. Benefits of Using River Rocks
1.3. Key Considerations Before Building

2. Planning and Preparation

2.1. Assessing Your Site
2.2. Choosing the Right River Rocks
2.3. Gathering Necessary Tools and Materials
2.4. Understanding Local Regulations

3. Step-by-Step Construction Guide

3.1. Excavating the Foundation
3.2. Laying the Base Course
3.3. Building the Wall Layer by Layer
3.4. Ensuring Proper Drainage
3.5. Capping the Wall

4. Advanced Techniques and Design Ideas

4.1. Incorporating Curves and Terraces
4.2. Using Different Rock Sizes and Colors
4.3. Integrating Plants for Added Beauty

5. Maintaining Your River Rock Retaining Wall

5.1. Regular Inspections
5.2. Repairing Damage
5.3. Preventing Erosion

6. Troubleshooting Common Issues

6.1. Wall Instability
6.2. Drainage Problems
6.3. Rock Displacement

7. Cost Considerations

7.1. Material Costs
7.2. Labor Costs
7.3. Long-Term Savings

8. Environmental Impact

8.1. Sustainable Sourcing of Rocks
8.2. Reducing Environmental Footprint
8.3. Promoting Biodiversity

9. Expert Tips and Tricks

9.1. Working with Professionals
9.2. Enhancing Aesthetics
9.3. Ensuring Longevity

10. Frequently Asked Questions (FAQs)

1. Understanding River Rock Retaining Walls

1.1. What is a River Rock Retaining Wall?

A river rock retaining wall is a structure built to hold back soil or earth using natural river rocks. These walls are not only functional, preventing erosion and managing changes in elevation, but they also add an aesthetic appeal to landscapes with their smooth, rounded stones. River rock walls are popular for their natural look and ability to blend seamlessly into various outdoor settings.

River rock retaining walls are constructed by stacking river rocks to create a barrier that holds back soil, preventing erosion and providing structural support to different landscape levels. Unlike concrete or timber retaining walls, river rock walls offer a more organic and natural appearance, making them a favorite for homeowners looking to enhance the beauty of their property. The unique shapes and colors of river rocks add character and charm to any landscape design.

1.2. Benefits of Using River Rocks

River rocks offer numerous advantages for retaining walls. They provide excellent drainage, are naturally durable, and require minimal maintenance. Their smooth, rounded shapes interlock well, creating a stable structure. Additionally, the aesthetic appeal of river rocks enhances the overall beauty of any landscape.

Here’s a detailed look at the benefits:

Benefit	Description
Excellent Drainage	River rocks naturally allow water to flow through, preventing water buildup behind the wall, which can cause structural damage. This natural drainage system reduces the need for additional drainage solutions.
Natural Durability	River rocks are incredibly durable and resistant to weathering, erosion, and decay. They can withstand harsh weather conditions, making them a long-lasting solution for retaining walls.
Minimal Maintenance	Once installed, river rock retaining walls require very little maintenance. They do not need painting, staining, or sealing. Occasional inspection and minor adjustments are usually sufficient to keep the wall in good condition.
Aesthetic Appeal	The smooth, rounded shapes and natural colors of river rocks add an element of beauty to any landscape. They blend seamlessly with natural surroundings, creating a visually appealing and harmonious outdoor space.
Stability	The interlocking nature of river rocks provides a stable structure for retaining walls. When properly stacked and arranged, they create a solid barrier that can effectively hold back soil and prevent erosion.

1.3. Key Considerations Before Building

Before starting your project, consider the height and length of the wall, the soil type, and local building codes. Ensure you have a solid plan and all necessary materials to avoid issues during construction. Consulting with a professional at rockscapes.net can help you navigate these considerations and ensure a successful project.

Here’s a checklist of key considerations:

Wall Height and Length: Determine the exact dimensions of your retaining wall. Taller walls will require more extensive foundations and reinforcement.
Soil Type: Understand the type of soil you are retaining. Different soils have different weights and drainage properties, which can impact the design and construction of your wall.
Local Building Codes: Check with your local authorities to ensure your project complies with all building codes and regulations. This may include permits and inspections.
Drainage Requirements: Assess the drainage needs of your site. Proper drainage is crucial to prevent water buildup behind the wall, which can lead to structural failure.
Material Availability: Ensure that you have access to a sufficient supply of river rocks and other necessary materials. Consider the cost and transportation of these materials.

2. Planning and Preparation

2.1. Assessing Your Site

Evaluate the slope, soil composition, and drainage patterns of your site. Identify any potential challenges, such as underground utilities or large tree roots. Proper site assessment is crucial for a successful retaining wall.

Conducting a thorough site assessment involves the following steps:

Measure the Slope: Use a level and measuring tape to determine the angle and height of the slope. This will help you calculate the required height and length of the retaining wall.
Analyze Soil Composition: Examine the soil to determine its type (e.g., clay, sand, silt). Soil composition affects drainage and the wall’s stability. Conduct a soil test if necessary.
Evaluate Drainage Patterns: Observe how water flows across the site during rainfall. Identify areas where water tends to accumulate.
Identify Potential Obstacles: Locate any underground utilities (e.g., water pipes, gas lines, electrical cables) and large tree roots that may interfere with the construction of the wall. Contact utility companies to mark underground lines.
Check for Erosion: Look for signs of existing erosion, such as gullies or exposed soil. This will help you understand the severity of the erosion problem and design the wall accordingly.

2.2. Choosing the Right River Rocks

Select river rocks that are large enough to provide stability but manageable to handle. A mix of sizes can create a more natural and visually appealing wall. Consider the color and texture of the rocks to match your landscape’s aesthetic. For expert advice on selecting the right river rocks, consult with rockscapes.net.

Consider these factors when choosing river rocks:

Size: Opt for rocks that are large enough to provide stability (typically 6-12 inches in diameter) but not too heavy to handle. A mix of sizes can create a more natural look.
Shape: Choose rocks with relatively flat surfaces to facilitate stacking. Avoid overly round or irregular shapes that can compromise the wall’s stability.
Color and Texture: Select rocks that complement your landscape’s aesthetic. Consider the color of your house, surrounding vegetation, and other hardscape elements.
Durability: Ensure that the rocks are durable and resistant to weathering. Avoid rocks that are prone to cracking or crumbling.
Availability: Check with local suppliers to ensure that you can obtain a sufficient quantity of the desired type of river rock.

2.3. Gathering Necessary Tools and Materials

Gather the necessary tools and materials before starting construction. This includes:

Tool/Material	Purpose
River Rocks	Building the retaining wall
Shovel	Excavating the foundation and moving soil
Level	Ensuring the wall is level and stable
Measuring Tape	Measuring dimensions and ensuring accurate placement
Landscape Fabric	Preventing soil erosion and weed growth behind the wall
Gravel	Providing a stable base and improving drainage
Compactor	Compacting the soil and gravel to create a solid foundation
Gloves	Protecting hands during construction
Safety Glasses	Protecting eyes from debris
Wheelbarrow	Transporting rocks and materials
Drainage Pipe (optional)	Improving drainage behind the wall

2.4. Understanding Local Regulations

Check local building codes and regulations before starting construction. Some areas may require permits for retaining walls above a certain height. Ensure compliance to avoid potential fines or legal issues.

Here’s how to ensure compliance with local regulations:

Contact Local Authorities: Contact your city or county building department to inquire about specific regulations for retaining walls.
Obtain Required Permits: Determine if your project requires a building permit. Submit the necessary applications and documentation.
Comply with Height Restrictions: Be aware of any height restrictions for retaining walls in your area. Walls exceeding the maximum height may require special engineering and approval.
Follow Setback Requirements: Ensure that your wall complies with setback requirements, which specify the minimum distance between the wall and property lines or other structures.
Adhere to Drainage Regulations: Comply with regulations related to drainage and stormwater management. Ensure that your wall does not impede natural drainage patterns or cause flooding on neighboring properties.

3. Step-by-Step Construction Guide

3.1. Excavating the Foundation

Dig a trench that is deep enough to accommodate a gravel base and the first layer of rocks. The trench should be wider than the intended width of the wall. Ensure the base is level and compacted for stability.

Follow these steps to excavate the foundation:

Mark the Outline: Use stakes and string to mark the outline of the retaining wall. Ensure that the outline is straight and follows the desired path.
Dig the Trench: Use a shovel to dig a trench along the marked outline. The trench should be at least 12 inches deep and 24 inches wide.
Level the Base: Use a level to ensure that the base of the trench is level. Add or remove soil as necessary to achieve a level surface.
Compact the Soil: Use a compactor to compact the soil at the base of the trench. This will create a solid foundation for the gravel base.

3.2. Laying the Base Course

Pour a layer of gravel into the trench to create a stable base. Compact the gravel and ensure it is level. Place the first layer of river rocks on the gravel, selecting the largest and flattest stones for this course.

Follow these steps to lay the base course:

Pour Gravel: Pour a layer of gravel (approximately 4-6 inches thick) into the trench.
Compact Gravel: Use a compactor to compact the gravel, creating a solid and level base.
Place First Layer of Rocks: Select the largest and flattest river rocks for the first layer. Place them on the gravel base, ensuring that they are stable and level.
Check Alignment: Use a level to check the alignment of the first layer of rocks. Make any necessary adjustments to ensure that the layer is straight and level.

3.3. Building the Wall Layer by Layer

Stack the river rocks layer by layer, staggering the joints for added stability. Use smaller rocks to fill gaps and provide support. Angle each layer slightly backward to create a batter, which increases the wall’s stability.

Follow these steps to build the wall layer by layer:

Stagger Joints: Place each layer of rocks so that the joints are staggered. This will prevent the formation of vertical seams, which can weaken the wall.
Fill Gaps: Use smaller rocks to fill any gaps between the larger rocks. This will provide additional support and prevent soil from washing through the wall.
Create a Batter: Angle each layer of rocks slightly backward to create a batter. A batter of 1 inch per foot of height is generally recommended.
Check Alignment: Use a level to check the alignment of each layer. Make any necessary adjustments to ensure that the wall is straight and level.
Repeat: Repeat steps 1-4 until the wall reaches the desired height.

3.4. Ensuring Proper Drainage

Install drainage pipes behind the wall to prevent water buildup. Backfill the area behind the wall with gravel to facilitate drainage. Landscape fabric can be used to prevent soil from clogging the drainage system.

Follow these steps to ensure proper drainage:

Install Drainage Pipes: Place perforated drainage pipes behind the wall at the base and at intervals of 4-6 feet. The pipes should slope downward to allow water to drain away from the wall.
Backfill with Gravel: Backfill the area behind the wall with gravel. The gravel should extend at least 12 inches behind the wall.
Use Landscape Fabric: Place landscape fabric between the gravel and the soil to prevent soil from clogging the drainage system.
Slope the Backfill: Slope the backfill away from the wall to direct water away from the structure.

3.5. Capping the Wall

Place large, flat rocks on top of the wall to create a finished look. These capstones should be securely placed and level. They not only enhance the aesthetics but also protect the wall from erosion.

Follow these steps to cap the wall:

Select Capstones: Choose large, flat river rocks for the capstones. The capstones should be wider than the wall to provide a finished look.
Place Capstones: Place the capstones on top of the wall, ensuring that they are securely placed and level.
Secure Capstones: Use construction adhesive to secure the capstones to the wall. This will prevent them from shifting or falling off.
Check Alignment: Use a level to check the alignment of the capstones. Make any necessary adjustments to ensure that they are straight and level.

4. Advanced Techniques and Design Ideas

4.1. Incorporating Curves and Terraces

Add visual interest to your retaining wall by incorporating curves and terraces. Curves can soften the look of the wall, while terraces create multiple levels for planting and landscaping.

Here are some tips for incorporating curves and terraces:

Curves: Use flexible materials, such as smaller river rocks, to create curves in the wall. Plan the curves in advance and mark them on the ground before starting construction.
Terraces: Build multiple retaining walls at different heights to create terraces. The terraces can be used for planting flowers, shrubs, or vegetables.
Integration: Integrate the curves and terraces seamlessly into the surrounding landscape. Use natural materials and plants to blend the wall into the environment.

4.2. Using Different Rock Sizes and Colors

Create a unique look by using river rocks of different sizes and colors. Mix and match rocks to create a mosaic pattern or use different colors to define different sections of the wall.

Consider these ideas for using different rock sizes and colors:

Mosaic Patterns: Arrange the rocks in a mosaic pattern, using different sizes and colors to create a visually appealing design.
Color Blocking: Use different colors of rocks to define different sections of the wall. For example, use darker rocks at the base and lighter rocks at the top.
Focal Points: Use larger or more colorful rocks to create focal points in the wall. These focal points can draw the eye and add interest to the design.

4.3. Integrating Plants for Added Beauty

Enhance the beauty of your river rock retaining wall by integrating plants. Choose plants that thrive in well-drained soil and complement the natural look of the rocks. Consider cascading plants that will spill over the wall, adding texture and color.

Here are some plant suggestions for river rock retaining walls:

Plant Type	Plant Name	Description
Cascading Plants	Creeping Thyme (Thymus serpyllum)	Low-growing plant with fragrant foliage and pink or purple flowers
	Sedum (Sedum spp.)	Succulent plant with fleshy leaves and star-shaped flowers
	Rock Cress (Aubrieta deltoidea)	Low-growing plant with masses of small, colorful flowers
Ground Cover	Stonecrop (Sedum spp.)	Drought-tolerant plant with colorful foliage and flowers
	Ice Plant (Delosperma spp.)	Succulent plant with vibrant flowers and fleshy leaves
	Phlox (Phlox subulata)	Low-growing plant with needle-like leaves and masses of colorful flowers
Ornamental Grasses	Blue Fescue (Festuca glauca)	Compact grass with blue-gray foliage
	Feather Reed Grass (Calamagrostis x acutiflora)	Upright grass with feathery plumes
	Japanese Blood Grass (Imperata cylindrica)	Grass with striking red foliage

5. Maintaining Your River Rock Retaining Wall

5.1. Regular Inspections

Inspect your retaining wall regularly for signs of damage or instability. Look for loose rocks, cracks, or leaning sections. Early detection can prevent minor issues from becoming major problems.

Here are some tips for conducting regular inspections:

Frequency: Inspect the wall at least twice a year, in the spring and fall.
Visual Inspection: Walk along the wall and visually inspect each section. Look for loose rocks, cracks, leaning sections, and signs of erosion.
Check Drainage: Ensure that the drainage system is functioning properly. Look for signs of water buildup behind the wall.
Monitor Plant Growth: Monitor the growth of plants on and around the wall. Remove any plants that are damaging the structure or blocking drainage.

5.2. Repairing Damage

Repair any damage promptly to prevent further deterioration. Replace loose rocks, fill cracks, and reinforce weak sections. If the damage is extensive, consult with a professional.

Follow these steps to repair damage:

Assess the Damage: Carefully assess the extent of the damage. Determine the cause of the damage and develop a plan for repairing it.
Gather Materials: Gather the necessary materials, such as replacement rocks, mortar, and tools.
Repair Loose Rocks: Remove any loose rocks and clean the area. Apply mortar to the back of the rock and replace it in its original position.
Fill Cracks: Clean out any cracks and fill them with mortar or epoxy.
Reinforce Weak Sections: Reinforce any weak sections of the wall by adding additional rocks or support structures.

5.3. Preventing Erosion

Prevent erosion by maintaining proper drainage and ensuring that the area behind the wall is properly backfilled. Use landscape fabric to prevent soil from washing through the wall.

Here are some tips for preventing erosion:

Maintain Drainage: Keep the drainage system clear and functioning properly. Remove any debris that is blocking the pipes or channels.
Proper Backfill: Ensure that the area behind the wall is properly backfilled with gravel and soil. Slope the backfill away from the wall to direct water away from the structure.
Use Landscape Fabric: Use landscape fabric to prevent soil from washing through the wall. Replace the fabric as needed to maintain its effectiveness.
Plant Vegetation: Plant vegetation on and around the wall to help stabilize the soil and prevent erosion.

6. Troubleshooting Common Issues

6.1. Wall Instability

Wall instability can be caused by poor foundation, inadequate drainage, or improper construction techniques. Reinforce the foundation, improve drainage, and rebuild unstable sections of the wall.

Here are some steps to address wall instability:

Assess the Cause: Determine the cause of the instability. Is it due to poor foundation, inadequate drainage, or improper construction techniques?
Reinforce Foundation: Reinforce the foundation by adding additional gravel and compacting the soil.
Improve Drainage: Improve drainage by adding drainage pipes and backfilling with gravel.
Rebuild Unstable Sections: Rebuild any unstable sections of the wall, using proper construction techniques and ensuring that the rocks are securely placed.

6.2. Drainage Problems

Drainage problems can lead to water buildup behind the wall, which can cause structural damage. Ensure that the drainage system is functioning properly and that water is directed away from the wall.

Here are some solutions for drainage problems:

Clear Drainage Pipes: Clear any debris that is blocking the drainage pipes.
Add Drainage Pipes: Add additional drainage pipes to improve drainage.
Improve Backfill: Improve the backfill by adding more gravel and sloping it away from the wall.
Divert Water: Divert water away from the wall by installing gutters or drainage channels.

6.3. Rock Displacement

Rock displacement can occur due to erosion, weathering, or improper construction. Replace displaced rocks and reinforce the surrounding area to prevent further movement.

Follow these steps to address rock displacement:

Replace Displaced Rocks: Replace any displaced rocks, ensuring that they are securely placed.
Reinforce Surrounding Area: Reinforce the surrounding area by adding additional rocks or mortar.
Prevent Erosion: Prevent erosion by maintaining proper drainage and using landscape fabric.
Monitor: Monitor the area for further displacement.

7. Cost Considerations

7.1. Material Costs

Material costs for a river rock retaining wall include the cost of the rocks, gravel, landscape fabric, and drainage pipes. Prices vary depending on the type and quantity of materials needed.

Here is a breakdown of typical material costs:

Material	Cost per Unit (Estimated)	Notes
River Rocks	$50-$150 per ton	Price varies depending on size, color, and availability.
Gravel	$30-$50 per ton	Used for the base and backfill.
Landscape Fabric	$0.50-$1 per square foot	Prevents soil erosion and weed growth.
Drainage Pipes	$10-$20 per 10 feet	Essential for proper drainage.

7.2. Labor Costs

Labor costs depend on whether you hire a professional or do the work yourself. Hiring a professional can increase the overall cost but ensures the job is done correctly. DIY projects can save money but require time and effort. Rockscapes.net can provide professional installation services.

Here are some factors that influence labor costs:

Professional vs. DIY: Hiring a professional can increase the overall cost but ensures the job is done correctly. DIY projects can save money but require time and effort.
Complexity of the Project: More complex projects, such as those involving curves or terraces, will require more labor and increase costs.
Location: Labor costs vary depending on your location. In general, labor costs are higher in urban areas than in rural areas.

7.3. Long-Term Savings

While the initial cost of building a river rock retaining wall may be higher than other options, the long-term savings can be significant. River rocks are durable and require minimal maintenance, reducing the need for repairs or replacements.

Here are some long-term savings to consider:

Durability: River rocks are incredibly durable and resistant to weathering, erosion, and decay. This means that your retaining wall will last for many years with minimal maintenance.
Low Maintenance: Once installed, river rock retaining walls require very little maintenance. This can save you time and money in the long run.
Reduced Repair Costs: Because river rock retaining walls are so durable, they are less likely to require repairs than other types of retaining walls.

8. Environmental Impact

8.1. Sustainable Sourcing of Rocks

Choose river rocks from sustainable sources to minimize environmental impact. Look for suppliers who follow responsible mining practices and avoid damaging natural habitats.

Here are some tips for sustainable sourcing:

Local Suppliers: Choose local suppliers to reduce transportation costs and emissions.
Responsible Mining Practices: Look for suppliers who follow responsible mining practices and avoid damaging natural habitats.
Recycled Materials: Consider using recycled river rocks, if available.

8.2. Reducing Environmental Footprint

Reduce your environmental footprint by using hand tools instead of power equipment, minimizing waste, and recycling materials. Proper planning and efficient construction techniques can also help minimize environmental impact.

Here are some ways to reduce your environmental footprint:

Use Hand Tools: Use hand tools instead of power equipment to reduce emissions and noise pollution.
Minimize Waste: Minimize waste by carefully planning your project and ordering only the materials you need.
Recycle Materials: Recycle any materials that you can, such as packaging and scrap wood.
Efficient Construction: Use efficient construction techniques to minimize the amount of time and energy required to build the wall.

8.3. Promoting Biodiversity

Promote biodiversity by integrating native plants into your retaining wall design. Native plants provide habitat and food for local wildlife, enhancing the ecological value of your landscape.

Here are some tips for promoting biodiversity:

Native Plants: Choose native plants that are adapted to your local climate and soil conditions.
Variety: Plant a variety of different plants to provide habitat and food for a wide range of wildlife.
Pollinators: Include plants that attract pollinators, such as bees, butterflies, and hummingbirds.
Water Source: Provide a water source, such as a birdbath or small pond, to attract wildlife.

9. Expert Tips and Tricks

9.1. Working with Professionals

Consider working with professionals at rockscapes.net for design and installation services. Professionals have the expertise and experience to ensure the job is done correctly and efficiently.

Here are some benefits of working with professionals:

Expertise: Professionals have the expertise and experience to design and install a retaining wall that is both functional and aesthetically pleasing.
Efficiency: Professionals can complete the job more quickly and efficiently than you could on your own.
Quality: Professionals use high-quality materials and construction techniques to ensure that the wall is durable and long-lasting.
Peace of Mind: Working with professionals can give you peace of mind knowing that the job is being done correctly.

9.2. Enhancing Aesthetics

Enhance the aesthetics of your river rock retaining wall by incorporating lighting, water features, and decorative elements. These additions can transform your wall into a stunning focal point in your landscape.

Here are some ideas for enhancing aesthetics:

Lighting: Install lighting to highlight the wall and create a warm and inviting atmosphere.
Water Features: Incorporate a water feature, such as a waterfall or fountain, to add movement and sound to the landscape.
Decorative Elements: Add decorative elements, such as sculptures or pottery, to personalize the wall and reflect your style.

9.3. Ensuring Longevity

Ensure the longevity of your river rock retaining wall by following proper construction techniques, maintaining drainage, and performing regular inspections and repairs. A well-built and maintained wall can last for decades.

Here are some tips for ensuring longevity:

Proper Construction: Follow proper construction techniques to ensure that the wall is strong and stable.
Maintain Drainage: Maintain the drainage system to prevent water buildup behind the wall.
Regular Inspections: Perform regular inspections to identify and address any issues before they become major problems.
Prompt Repairs: Repair any damage promptly to prevent further deterioration.

10. Frequently Asked Questions (FAQs)

What is the best size of river rock to use for a retaining wall?

The best size of river rock typically ranges from 6 to 12 inches in diameter, providing a balance between stability and manageability.
How deep should the foundation trench be for a river rock retaining wall?

The foundation trench should be at least 12 inches deep to accommodate a gravel base and the first layer of rocks, ensuring a solid foundation.
Do I need to use mortar when building a river rock retaining wall?

While not always necessary, using mortar can add stability, especially for taller walls. However, dry-stacking is a common method that relies on the interlocking of rocks.
How can I ensure proper drainage for my river rock retaining wall?

Install perforated drainage pipes behind the wall and backfill with gravel to facilitate drainage, preventing water buildup.
What type of landscape fabric should I use for a river rock retaining wall?

Use a heavy-duty, woven landscape fabric to prevent soil erosion and weed growth behind the wall.
How do I prevent my river rock retaining wall from leaning or collapsing?

Ensure a solid foundation, proper drainage, and a slight backward angle (batter) to increase stability.
Can I build a curved river rock retaining wall?

Yes, but it requires careful planning and construction. Use smaller rocks for greater flexibility in creating the curve.
What are the best plants to incorporate into a river rock retaining wall?

Choose plants that thrive in well-drained soil, such as creeping thyme, sedum, and rock cress, for added beauty and stability.
How often should I inspect my river rock retaining wall for maintenance?

Inspect your retaining wall at least twice a year, in the spring and fall, for signs of damage or instability.
Is it better to hire a professional or build a river rock retaining wall myself?

Hiring a professional ensures the job is done correctly and efficiently, but DIY projects can save money if you have the time and skills. Consult with rockscapes.net for expert advice and services.

Ready to transform your landscape with a beautiful and functional river rock retaining wall? Visit rockscapes.net today for inspiration, detailed guides, and expert advice. Explore our extensive collection of river rocks and discover how to bring your vision to life. Contact us now for a consultation and let us help you create the perfect outdoor space! Address: 1151 S Forest Ave, Tempe, AZ 85281, United States. Phone: +1 (480) 965-9011.