The Dike Road boat ramp in Cowlitz County, Washington is a concrete boat ramp that provides access to the Columbia River. The ramp is approximately 20 feet wide and suitable for launching small to medium sized boats. The location of the ramp is at latitude: 45.91941452 and longitude: -122.80332947.

The Columbia River is a large body of water that spans over 1,200 miles, starting in the Rocky Mountains of British Columbia and flowing through several states before emptying into the Pacific Ocean. The Dike Road boat ramp provides access to this vast waterway, which is known for fishing, boating, and other recreational activities.

According to the latest information available, the Dike Road boat ramp is open year-round and is suitable for launching a variety of watercraft, including powerboats, kayaks, canoes, and sailboats. However, it is important to note that the specific regulations regarding the types of watercraft and activities permitted on the Columbia River may vary depending on the location and time of year. It is recommended to check with local authorities or consult a current guidebook for more detailed and up-to-date information.