Bolam Pass Road climbs 4 miles until the road levels out and connects to the Colorado Trail (at high country).
Deer Creek trail is a difficult, 4.6-mile trail that climbs steadily to meet Coal Creek, then Engineer Mountain Trail.
Molas Pass is a popular place for high country trail access just north of Durango.
Graysill Trail spurs from the Colorado Trail (at high country) to Cascade Creek Trail and gains/ascends 1,770 feet in 3 miles.
West Lime Creek Trail (FS #679) follows provides access to a variety of high-country trails, waterfalls, dispersed campsites and excellent views.
Coal Creek is a popular downhill bike route to the highway, accessed from Deer Creek Trail or Engineer Mountain Trail.
Engine Creek Trail is part of a loop for mountain biking and hiking starting from the Molas Pass Campground.
Cascade Creek follows along the western base of the mountain and often sees less traffic than other popular high-country trails in the area.
Pass Trail is a great mountain bike ride or hike for most everyone, located near Engineer Mountain Trail.