The Lone Rock Drift Boat Ramp is a public boat launch located in Douglas County, Oregon, in the United States. It is situated at latitude 43.31679529400003 and longitude -123.06111411699999. This boat ramp is specifically designed for drift boats, which are specialized boats used for fishing in shallow waters.

As per the latest available information, the Lone Rock Drift Boat Ramp is a concrete ramp that is 20 feet wide and has a length of approximately 48 feet. This makes it suitable for launching and retrieving drift boats of various sizes, ranging from small 14-foot boats to larger 20-foot boats.

The Lone Rock Drift Boat Ramp services the Umpqua River, which is a popular destination for fishing enthusiasts. The Umpqua River is renowned for its diversity of fish species, including salmon, steelhead, and trout. The river is also popular for recreational activities such as boating, kayaking, and swimming.

In terms of permitted craft, only drift boats are permitted on the Umpqua River through the Lone Rock Drift Boat Ramp. This restriction is in place to ensure the safety of boaters and to protect the natural environment of the river. Additionally, all boats must comply with relevant state regulations and have all necessary safety equipment on board.

In conclusion, the Lone Rock Drift Boat Ramp is a concrete boat launch located in Douglas County, Oregon. It is designed for launching and retrieving drift boats, which are specialized boats used for fishing in shallow waters. The ramp is 20 feet wide and services the Umpqua River, allowing access to various fish species and recreational activities. Only drift boats are permitted on the water, and all boats must comply with state regulations and have all necessary safety equipment on board.