The Mad River County Park boat ramp in McKinleyville, California is a concrete boat ramp that provides access to the Mad River. The ramp is approximately 16 feet wide and is suitable for launching small to medium-sized watercraft.

The Mad River is a popular destination for fishing, kayaking, and canoeing, and the boat ramp at Mad River County Park is one of several access points to the river. The river is known for its steelhead and salmon runs, and anglers often use boats to access some of the best fishing spots.

According to the official website of Humboldt County Parks and Recreation, the Mad River County Park boat ramp is open year-round, and a fee is required for use. The website also states that the ramp is suitable for small to medium-sized boats, including canoes, kayaks, and fishing boats.

Overall, the Mad River County Park boat ramp in McKinleyville, California is a well-maintained concrete ramp that provides easy access to the Mad River. Anglers, kayakers, and canoeists alike will find this ramp to be a convenient and reliable launch point for their water activities.