Based on the latest information available, the boat ramp named CR 10 Hinsdale County in Colorado is a concrete boat ramp that is approximately 20 feet wide. It services the Blue Mesa Reservoir, which is a large body of water located in western Colorado. The reservoir is known for its fishing opportunities and is popular for recreational boating, including motorized and non-motorized watercraft such as fishing boats, kayaks, and paddleboards. It is important to note that regulations regarding watercraft on the reservoir may change, so it is always best to check with local authorities for the most up-to-date information.