M-K is a free campground located 3 miles up the Main Fork Rock Creek Road #2421, not far from the Beartooth Highway. 10 sites.

This campground does not use a reservation system, it is managed on a first-come, first-served basis. Be aware the campground may fill up on weekends & holidays during the summer months and you should arrive in the early afternoon to ensure there is a space available for the night. There is a 16 day stay limit. Some sites have bear resistant food storage lockers.

M-K Campground is open Memorial Day- Labor Day full service. In the off-season there are no services, the campground is not maintained, and roads are not plowed. If you visit outside the peak fee season bring your own toilet paper (outhouse will remain open), and please pack out your trash.