According to the Washington Department of Fish and Wildlife's website, the Coulee Corridor Grant County boat ramp is a concrete single-lane ramp with a gravel parking area. It is 20 feet wide and has a maximum angle of 10%.

This boat ramp services the Potholes Reservoir, a large body of water located in central Washington. The reservoir is approximately 28,000 acres and is known for its fishing and water recreation opportunities.

The website also states that motorized boats, non-motorized boats, and personal watercraft are permitted on the Potholes Reservoir. However, there are specific rules and regulations regarding the use of these watercraft, including speed limits and safety requirements. It is important for boaters to familiarize themselves with these regulations before launching from the Coulee Corridor Grant County boat ramp.

The information provided is current as of August 2021.