The Holter Dam Boat Ramp is located in Wolf Creek, Montana, at a latitude of 46.993476576000035 and a longitude of -112.01015992299995. It is a concrete boat ramp that provides easy access to the Missouri River. The ramp is wide enough to accommodate multiple boats launching at the same time and has a parking area for vehicles and trailers.

The Holter Dam Boat Ramp services the Holter Lake Reservoir, which is a popular recreational area for boating, fishing, and camping. The reservoir is approximately 24 miles long and covers an area of over 4,000 acres. It is located in the beautiful Helena-Lewis and Clark National Forest, surrounded by scenic mountains and forests.

A variety of watercraft are permitted on Holter Lake, including motorized boats, canoes, kayaks, and stand-up paddleboards. Anglers can fish for a variety of species, including rainbow trout, brown trout, walleye, northern pike, and bass.

The information presented here is accurate as of the time of writing. However, it is always advisable to check with local authorities or official websites for any updates or changes to regulations and guidelines related to boating and water activities.