Monarch Lake via High Lonesome Trail is a 23.9 mile lightly trafficked out and back trail located near Tabernash, Colorado that features a lake and is rated as moderate. The trail is primarily used for hiking, walking, and backpacking and is best used from June until September.
Directions from Granby: ACCESS #1: Travel west on Highway 40 to Highway 34. Take 34 north to County Road 6. Go east on this unpaved road to the Monarch Lake parking area. The High Lonesome Trail is 1.4 miles around the Southside Trail at Monarch Lake.