Based on the latest information available, the boat ramp named Conservation Department Road Jefferson County is a concrete ramp that is situated in the town of Cape Vincent, New York. It is approximately 15 feet wide and has a gentle slope that makes it easy to launch and retrieve boats. The ramp provides access to the Saint Lawrence River, which is a large river that flows from the Great Lakes to the Atlantic Ocean.

The boat ramp is managed by the New York State Department of Environmental Conservation (DEC), which maintains it for public use. According to the DEC, the ramp is suitable for a variety of watercraft, including small boats, canoes, kayaks, and larger motorized boats. However, it is important to note that there may be restrictions on the size and type of boats that are allowed to use the ramp depending on current conditions or local regulations.

Overall, the Conservation Department Road boat ramp in Jefferson County provides a convenient and accessible launch point for recreational boaters looking to explore the Saint Lawrence River and its surrounding areas.