Based on the latest information available, the boat ramp named Whitcomb Creek is located in Oregon and has a latitude of 44.4778595 and a longitude of -122.50708008. It is a concrete boat ramp that provides access to the Detroit Lake Reservoir, which is a large body of water located in the Cascade Mountains.

The Whitcomb Creek boat ramp is approximately 30 feet wide, providing ample space for launching and retrieving watercraft. The reservoir service several recreational activities including boating, fishing, swimming, and camping.

According to the Oregon State Marine Board, the Detroit Lake Reservoir allows for the use of a variety of watercraft, including powerboats, sailboats, kayaks, canoes, and paddleboards. However, there are specific regulations and rules regarding the use of motorized boats on the reservoir, including speed limits and wake restrictions.

Overall, the Whitcomb Creek boat ramp is a popular location for boaters and anglers looking to enjoy the scenic beauty and recreational opportunities of Detroit Lake Reservoir in Oregon.