Jack's Fortress is a detached fin of granite that offers excellent rock quality and great exposure.
It is located ~ 1/2 mile west of the Sun Tower formation on the north side of CO Highway 141. Approach is 15-20 minutes across private land. Talk to land owner if you wish to access these climbs.
Browse More Classics in Jack's Fortress
Mountain Project's determination of some of the classic, most popular, highest rated routes for Jack's Fortress:
Frontal Assault 5.9- Trad, 1 pitch, 115 feet
Featured Route For Jack's Fortress
Frontal Assault 5.9- CO : Grand Junction area : ... : Jack's Fortress
Climb fingers and stem in a left facing corner to a ledge where a flake can be reached. Climb hands and fingers up the flake with nice exposure to a small roof. Pass the roof on the left via fingers/hands to a small ledge (optional belay). Move up and right via hands in a crack that cuts through the entire fin. Surmount the pillar and move left to a couple of airy hand jams to the summit (5.9-, 115 ft). ...[more] Browse More Classics in CO