River Rock is a durable and attractive stone that has many uses in landscaping. This white and tan rock, with some gray, is a locally sourced, affordable option that looks great around your home or in your beds. River Rock varies in size, but our Small River Rock is generally between the size of bigger than a marble but smaller than a golf ball (sizes will vary). Maximum 4 cubic yards per each delivery fee. Our truck can deliver up to 4 yards stone. If you need more, just add additional item(s) to your cart. Typically river rock is installed approximately 2″ deep.