The Willow Creek Boating Site in Colorado is a concrete boat ramp located at a latitude of 40.141611 and a longitude of -105.946796. According to the latest information available, it is a single-lane boat ramp that is 12 feet wide and provides access to the Carter Lake Reservoir. The reservoir is a popular destination for boating, fishing, and other water activities, and it covers an area of 1,100 acres.

The Willow Creek Boating Site is managed by the Larimer County Department of Natural Resources, and it is open from April to October each year. The site allows boats with electric or gas motors, and there are no restrictions on the size or type of craft that can be launched from the ramp. However, all boats must have current registration and must comply with Colorado boating regulations.

Overall, the Willow Creek Boating Site is a convenient and well-maintained boat ramp that provides easy access to the Carter Lake Reservoir. Its location and facilities make it a popular choice for boaters and anglers in the area.