River Rock in Rhode Island
Keep River Rock for the visible finish on Rhode Island drainage routes and planted ground, not buried ground work.
- Size: 1 inch to 3 inches
- Type: Smooth, naturally rounded stones
- Color: Tans, grays, browns and occasional reds
From $799 for 1 ton, delivery included (larger loads cost significantly less per ton)
Free delivery included
Free delivery anywhere in Rhode Island
Pick a delivery date
Weekday delivery, earliest Nov 3
“No more channels cutting through to the garden after a hard rain, and the rounded stones from Rhode Island Rock Supply look a lot more finished than the plastic splash blocks we had there before. Held its color and position through a full year of weather.”
Leonard B. · Verified Buyer
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Everything You Need to Know About River Rock
Size and Grading
- Size
- 1 inch to 3 inches
- Type
- Smooth, naturally rounded stones
- Color
- Tans, grays, browns and occasional reds
Plan River Rock as the part of a drainage feature people will see, rather than as the buried layer leading toward a dry well. Its polished, rounded appearance provides decorative ground cover near planting areas, water features, and managed runoff. Mixed tans, grays, browns, and occasional reds can provide contrast against foliage without leaving the look of bare soil.
Glacial till and ledge inland can limit where water goes, while sandy shore ground behaves differently. Deep frost and repeated freeze-thaw call for attention to the ground work beneath a finished surface. On small lots, runoff needs a known destination instead of crossing a neighboring property. Place the stone after the drainage route is established, so it can finish a visible channel or border without standing in for the drainage plan.
Quickly Calculate How Much You Need
Material: River Rock
How to Measure
Measure the length and width of your project area in feet
Decide on depth in inches (2" for landscaping, 4" for driveways)
Enter the values above and we'll calculate the tonnage you need
Need help figuring out the right amount? We can help!
Call or text us at (401) 210-4557 and we'll help you calculate the right quantity for your project.
Not sure how much you need? The River Rock Calculator has depth guides, coverage charts and worked examples for this material.
Common Uses
Garden & Landscape Use
Set river rock along planting beds, tree rings, and fence lines to define a space with rounded texture. It can replace organic mulch where a lasting stone surface is preferred, especially on compact Rhode Island lots.
Drainage Uses
Because water passes readily through its rounded profile, river rock suits drain runs, swales, downspout outlets, and similar drainage details. It helps limit washout while carrying runoff toward a dry well instead of a foundation or adjacent property.
Ponds & Water Features
Use river rock to finish pond edges, waterfall courses, and fountain surrounds. The smooth faces and varied earth tones give water features a natural-looking setting.
Landscape Details
River rock can edge walks, fill rock gardens, or serve in low-water planting plans. Combine it with pavers, stepping stones, and regional plant material for an orderly composition.
Why Choose River Rock
Durability
As an inorganic ground cover, river rock does not rot or decay as organic mulch can. It remains in place as a long-term landscape material rather than needing periodic replacement.
Low Maintenance
River rock avoids the yearly topping-up commonly associated with wood mulch. When needed, a garden-hose wash can clear surface dirt and renew its color.
Natural Material
River rock contains no dyes or preservatives to wash into surrounding soil. In low-water landscape plans, its drainage characteristics can also reduce water use.
Visual Character
Rounded forms and natural color shifts give river rock a settled look in the landscape. It works with contemporary and traditional settings and can sharpen the appearance from the street.
Frequently Asked Questions About River Rock
Customer Reviews
Better than the plastic splash blocks
No more channels cutting through to the garden after a hard rain, and the rounded stones from Rhode Island Rock Supply look a lot more finished than the plastic splash blocks we had there before. Held its color and position through a full year of weather.
Leonard B. · Exeter, RI · Verified Buyer
Replaced the mulch for good
Put five tons of river rock around the foundation of a rental building in Pawtucket to replace mulch that needed replacing every single year. Tenants like the low maintenance look and it has not blown or washed away in any storm since going down.
Rita F. · Pawtucket, RI · Verified Buyer
Counted On Bigger Rounded Stones
The downspout beds at my rental in West Warwick needed something better than dirt, so I ordered two tons of river rock.
Kevin O. · Warwick, RI · Verified Buyer
No more mulch washing into the yard
We replaced the mulch bed along our foundation in Providence with two tons of river rock. Rounded stones look sharp against the brick and do not wash into the yard during rain like mulch did. Clean, simple upgrade.
Marilyn D. · Providence, RI · Verified Buyer
New load blended with the old
Last year I put in a river rock border along the front bed in Charlestown, and this spring I needed more to extend it around the side without a visible seam. Batch color can vary a lot, so I asked the yard to send a photo of the pallet before the truck left. A yard and a half arrived close enough in tone that after a season of rain settled it in with the older stone, nobody can tell where last year's order ends and this year's begins.
Wendy C. · Charlestown, RI · Verified Buyer
River Rock has 5 verified customer reviews with an average rating of 4.6 out of 5.


