Large River Rock in Kansas
Kansas flash rain can blur a loose landscape edge. Large River Rock gives slopes and waterway details a settled, rounded accent.
- Size: 2 inches to 4 inches
- Type: Smooth, naturally rounded stones
- Color: Tans, grays and browns
From $1,096.00 for 1 ton, delivery included
Larger loads cost less per ton: 500 tons is $90,270.00 ($180.54 per ton). Pick any quantity below for a delivered price.
Free delivery included
Free delivery anywhere in Kansas
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Weekday delivery, earliest Sep 28
“Four tons of large river rock went into a swale cutting across the pasture where spring runoff off the Flint Hills kept gouging a new channel every year, and Kansas Rock Supply had it out within the week we called. Rocks that size just sit there and take the flow without moving. One full spring of heavy rain behind us now and the channel looks the same as the day we finished it.”
Wade P. · Verified Buyer
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Everything You Need to Know About Large River Rock
Size and Grading
- Size
- 2 inches to 4 inches
- Type
- Smooth, naturally rounded stones
- Color
- Tans, grays and browns
Heavy spring rain followed by dry heat can challenge exposed work in Kansas, especially where eastern clay swells and later cracks. Large River Rock gives a landscape detail enough presence to stand out along a slope, waterway, or dry creek course. The stones have smooth, naturally rounded surfaces that soften the look of a planned drainage feature.
Plan the drainage route and shape its edges before setting the stone, particularly where runoff crosses the finished area. Place Large River Rock in the visible portions of a water-control detail, where its weight helps resist displacement during heavy flow. This approach lets the feature follow the site's drainage pattern instead of fighting it.
Quickly Calculate How Much You Need
Material: Large 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 our contact form 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
Dry Creek Beds
Create a dry creek bed with large river rock to give a landscape channel texture and definition. Follow an existing swale or lay out a winding course to direct the eye through the yard.
Pond and Water Feature Edges
Use large river rock to outline ponds, waterfalls, and fountains, giving built water features a natural-looking transition into the surrounding landscape.
Erosion Control
Use large river rock on slopes, embankments, and waterway edges where moving water can carry away lighter material. Its larger, heavier stones help cover these areas, including terrace and waterway riprap.
Landscape Accent Features
Set large river rock in planting beds, at entrances, or beside individual plantings as landscape accents. The larger stones provide visual reference points within the design.
Why Choose Large River Rock
Strong Landscape Contrast
Large river rock in the 2 to 4-inch range brings noticeable scale to a landscape. Arrange these stones at focal areas to create a distinct visual feature.
Exceptional Durability
In landscape use, large river rock does not decompose or break down like organic materials. Its color and form remain in place through changing seasons.
Resistance to Movement
Because large river rock is heavy, it remains in place after installation. Wind, water, and foot traffic do not readily move these stones, reducing the upkeep often needed with lighter materials.
Natural Authenticity
Water-rounded large river rock has varied shapes and surface character from natural flow. Each stone differs slightly, creating an organic look in the landscape.
Frequently Asked Questions About Large River Rock
Customer Reviews
Swale finally holds back the runoff
Four tons of large river rock went into a swale cutting across the pasture where spring runoff off the Flint Hills kept gouging a new channel every year, and Kansas Rock Supply had it out within the week we called. Rocks that size just sit there and take the flow without moving. One full spring of heavy rain behind us now and the channel looks the same as the day we finished it.
Wade P. · Strong City, KS · Verified Buyer
Great erosion control, color ran grayer
We've got a low spot out past the barn where the runoff off the Flint Hills pastures dumps into a culvert, and every spring it chewed the bank back a little more. Ordered six tons of the large river rock to armor the outfall and build up a short stretch of dry creek bed leading away from it. The rock is heavy enough that nothing has shifted through a full season of spring storms, and the erosion has completely stopped. Only thing keeping it from a perfect score is the color coming in grayer than the tan shown in the photos online.
Rhonda T. · Cassoday, KS · Verified Buyer
Pond edge looks sharp and holds
Used about two tons of the large river rock to border the little pond out back and keep the bank from washing into the water. Big enough that the grandkids can walk on it without shifting the rocks around, and it's stayed exactly where we placed it through a full year of freezing and thawing.
Diane R. · Lindsborg, KS · Verified Buyer
Downspout Trench Finally Solved
Our downspout used to carve a trench across the yard every storm here in Hoisington. Large river rock filled a shallow dry creek bed from the house corner out past the fence, handling two heavy spring rains without washing out.
Sandra K. · Hoisington, KS · Verified Buyer
Great rock, driveway too tight for the truck
Border and outfall protection needed something heavy, so we ordered three tons of large river rock through Kansas Rock Supply for the front bed and around the culvert. The rock is exactly the size we wanted, heavy enough it won't wash off in a storm. Problem was our driveway curves too tight for the tandem, so the driver dumped it near the road and we spent an afternoon hauling it back by wheelbarrow.
Kent B. · Peabody, KS · Verified Buyer
Large River Rock has 5 verified customer reviews with an average rating of 4.6 out of 5.


