The boat ramp named Butte County, located at latitude 39.53623199 and longitude -121.44490051, is a public boat ramp in California. It is a concrete ramp that provides access to the Oroville Lake, which is a popular recreational area for boating, fishing, and swimming.

According to the latest information available, the Butte County boat ramp is approximately 4 lanes wide and offers ample parking for vehicles with trailers. The ramp is open year-round, but the availability of the ramp can be impacted by water levels in the lake.

As for the type of craft permitted on the lake, motorized boats, kayaks, canoes, and other non-motorized watercraft are allowed. However, it is important to note that there are specific regulations and restrictions for each type of watercraft, including speed limits, safety equipment requirements, and other rules to ensure the safety of all lake users.

In summary, the Butte County boat ramp is a public concrete ramp that provides access to Oroville Lake in California. It is approximately 4 lanes wide and allows for the launching of a variety of watercraft, including motorized boats, kayaks, and canoes, among others. However, it is important to follow all applicable regulations and restrictions to ensure a safe and enjoyable experience on the lake.