According to the latest information available, the Coulee Corridor Grant County boat ramp is a concrete boat ramp located in Washington. It is approximately 20 feet wide and services the Columbia River, specifically the area near the town of Coulee City.

This boat ramp is suitable for a variety of watercraft, including motorized boats, kayaks, and canoes. However, it is important to note that local regulations may limit the use of certain types of watercraft in certain areas of the river.

Overall, the Coulee Corridor boat ramp is a convenient and well-maintained access point for water enthusiasts looking to explore the Columbia River in the Grant County area of Washington.