The Sunapee Lake boat launch is a public boat ramp located on the eastern shore of Lake Sunapee in New Hampshire. It is a concrete boat ramp with a gravel parking lot, and it is maintained by the New Hampshire Department of Fish and Game. The ramp is approximately 20 feet wide, which is wide enough to accommodate most small boats and personal watercraft.

Lake Sunapee is a freshwater lake that covers 4,125 acres and has a maximum depth of 146 feet. It is located in western New Hampshire and is one of the state's largest lakes. The lake is popular for fishing, boating, and other recreational activities.

The Sunapee Lake boat launch is open to all types of boats, including motorized and non-motorized craft. However, there are restrictions on the use of personal watercraft (PWC) on Lake Sunapee. According to the New Hampshire Boater's Guide, PWCs are allowed on the lake, but they must be operated in designated areas and must follow specific speed limits and other rules.

In summary, the Sunapee Lake boat launch is a public boat ramp located on Lake Sunapee in New Hampshire. It is a concrete ramp that is approximately 20 feet wide and is open to all types of boats, including motorized and non-motorized craft. However, there are restrictions on the use of personal watercraft on the lake.