Dog Sled Adventures. The dogs are raring to run from early December to late March at Dog Sled Adventures, where friendly mushers gear the ride to passengers ranging from kids to senior citizens. Bundled up in a sled, you'll be whisked through Stillwater State Forest on a 1½-hour ride over a 12-mile trail. Reservations are necessary. 8400 U.S. 93, Whitefish, Montana, 59937. 406/881–2275; $150.