The Turquoise Lake Trail boat ramp in Lake County, Colorado is a concrete boat ramp that provides access to Turquoise Lake. According to the U.S. Forest Service, the boat ramp is approximately 25 feet wide and has a maximum grade of 10%. Turquoise Lake is a popular destination for recreational boating, and the lake permits a variety of watercraft, including motorized boats, kayaks, canoes, and stand-up paddleboards. However, it is important to note that boats with gas-powered engines are subject to a horsepower limit of 20 horsepower. The latest information available on the U.S. Forest Service website verifies these details.