The Cottonwood Island Boat Ramp is located in the state of Colorado, with latitude and longitude coordinates of 39.712233250000054 and -107.045235817, respectively. The boat ramp is specifically situated in the city of Rifle, which is part of Garfield County.

This boat ramp is a concrete ramp that provides access to the Colorado River, which flows through Garfield County. It is a popular destination for boaters and anglers alike, who come to take advantage of the scenic views and abundant fish populations in the area.

The Cottonwood Island Boat Ramp is also quite wide, measuring approximately 30 feet in width. This allows for easy and safe launching and retrieval of boats of different sizes and types.

As for the kinds of craft that are permitted on the water, the Colorado River is open to a variety of boats, including motorized and non-motorized vessels. This includes boats with outboard motors, rowboats, kayaks, canoes, and paddleboards.

In terms of the most recent information available, it is advisable to check with local authorities and/or the boat ramp operator to confirm any updates or changes that may have occurred since the last publication or data collection.