Decorative Stone & Boulders
3-6″ Washed Cobble Rock (Upper Delaware River)
Also known as: Delaware River Rock, River Cobble, Cobblestone, River Jack
3-6" Washed Cobble Rock is a large, naturally rounded river stone pulled from the Upper Delaware River and washed clean of dirt and fines. The stones run roughly 3 to 6 inches across in a mix of earthy grays, browns, and tans, and they are heavy enough to stay put in dry creek beds, bed borders, and around water features. When you want a finished, natural look at a scale that holds up to runoff, this is the size to reach for.
Applications
- Dry Creek Beds
- Decorative Borders & Edging
- Water Features & Ponds
- Large Landscape Beds
- Slope & Erosion Control
- Filler Around Boulders
Why It Works
Big enough to stay put, smooth enough to look natural.
The size is the whole point. At 3 to 6 inches, these stones are heavy enough to hold their position when water moves through a dry creek bed or down a slope, where a smaller stone would wash out and scatter. That weight is what makes the material work for erosion control and channel lining as much as for looks.
It is washed, so there is no dust or fines to muddy a pond edge or cloud runoff, and the rounded, water-worn shape gives you a clean, natural finish straight from the Delaware River. Spread across a large bed it works as a long-term mulch alternative that does not break down, fade, or need replacing season after season.
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