Travel south of Gallatin Gateway approximately 5 miles from Highway 191 via the Storm Castle Creek Road and Garnet Mountain Lookout Trail. This lookout cabin is 3.5 miles from the trailhead at Storm Castle Creek or 4 miles up the road from the yearlong gate closure below Rat Lake. During winter months, park near Shenango Station and ski, snowshoe, or snowmobile the 10 miles to the lookout via the Storm Castle Creek and Rat Lake Roads. Motorcycle and ATV access is possible via the Rat Lake Road. Summer-trail access from nearest road is 3.5 mi. Winter-10 mi. ski or snowmobile.