Large River Rock in Maine
Maine frost and spring runoff call for a clear exposed drainage detail, and Large River Rock gives it a smooth, rounded finish.
- Size: 2 inches to 4 inches
- Type: Smooth, naturally rounded stones
- Color: Tans, grays and browns
From $1,112.00 for 1 ton, delivery included
Larger loads cost less per ton: 500 tons is $98,270.00 ($196.54 per ton). Pick any quantity below for a delivered price.
Free delivery included
Free delivery anywhere in Maine
Pick a delivery date
Weekday delivery, earliest Sep 25
“Every spring the culvert under our road lets go all at once and the swale behind the house was washing out a new gully every year, right down toward the Saco. We brought in nine tons of large river rock to armor the outfall and rebuild the banks on both sides. The driver eased the tri-axle down our camp road and dumped two piles close enough that the tractor bucket finished the rest. Maine Rock Supply beat the excavator's quote by a wide margin, and had it out inside a week. A full spring runoff later, the bank is holding and no fresh gully has started anywhere along it.”
Wendell 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
Through a Maine winter and the runoff that follows, frost movement and ledge near grade make site drainage worth planning before landscape finish work begins. Large River Rock provides rounded material for a dry creek feature, a garden focal area, or a border around a constructed pond. Its smooth surfaces bring a softer contrast beside hardscape without serving as driveway base or footing backfill.
Where drainage must move across the surface because ledge limits downward flow, line the planned route with Large River Rock after its course is established. This approach fits camp properties, the Midcoast, and Downeast ground where spring water needs a visible place to go. The stones also work along slopes or waterways, where their substantial weight makes them resistant to displacement during heavy flow.
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
When runoff needs a defined route, large river rock gives a dry creek bed a natural channel appearance. Follow an existing swale or lay out a winding course to add texture and direction to the landscape.
Water Features & Pond Borders
Large river rock gives ponds, waterfalls, and fountains a more natural edge, helping built water elements sit comfortably within the surrounding landscape.
Erosion Control
Where water can carry off lighter material, the size and weight of large river rock help hold slopes, banks, and water edges in place. It can be useful along shorefront areas exposed to moving water.
Landscape Accent Features
Place large river rock at entry areas, within garden beds, or beside specimen plants. Its larger scale creates a visual point of reference and adds definition to the landscape layout.
Why Choose Large River Rock
Dramatic Visual Impact
Large river rock, sized 2 to 4-inch, brings noticeable scale to an outdoor area. Use it where a landscape needs contrast or a clearly defined focal area.
Exceptional Durability
Large river rock is a long-lasting material for landscape use. Its color and form remain part of the finished landscape over time.
Displacement Resistant
Because large river rock has substantial weight, it tends to remain in position after it is placed. It is less prone to movement from wind, water, and foot traffic than lighter materials.
Natural Authenticity
Water-rounded large river rock brings varied shapes and earthy color to a landscape. Each stone has its own character, creating an informal natural-stone appearance.
Frequently Asked Questions About Large River Rock
Customer Reviews
Good stone, a few heavy surprises
Ordered large river rock through Maine Rock Supply for a dry swale between our place and the neighbor's to handle runoff off the hill, five tons total. Most of it is a good size for stacking by hand, but a handful of pieces were closer to eighty pounds than anyone warned me about, so my son in law had to help wrestle those into place. Once set it drains beautifully.
Pauline T. · Lovell, ME · Verified Buyer
Camp bank holds through ice out
Built a border of large river rock along the edge of our camp lot up near Sebago to keep the bank from sliding into the cove during ice out. Three tons did the whole run along the water line. The driver got the truck close enough on the camp road that we barely had to carry any of it by hand, and it has held through one full winter of ice heave already.
Grant S. · Raymond, ME · Verified Buyer
Downspout runoff no longer carves a channel
Put in a dry creek bed running from the corner of the garage out to the tree line, about four tons of large river rock for a sixty foot run. It handles a hard downpour off the roof without carving a channel through the lawn like it used to. The stone is heavy enough that even after a wet fall it hasn't shifted an inch.
Alicia N. · Denmark, ME · Verified Buyer
Outfall finally stops washing out
Every spring the culvert under our road lets go all at once and the swale behind the house was washing out a new gully every year, right down toward the Saco. We brought in nine tons of large river rock to armor the outfall and rebuild the banks on both sides. The driver eased the tri-axle down our camp road and dumped two piles close enough that the tractor bucket finished the rest. Maine Rock Supply beat the excavator's quote by a wide margin, and had it out inside a week. A full spring runoff later, the bank is holding and no fresh gully has started anywhere along it.
Wendell P. · Fryeburg, ME · Verified Buyer
Large River Rock has 4 verified customer reviews with an average rating of 4.8 out of 5.
