This wall is located only 6 miles from the nearest trailhead, has relatively low elevation (approx. 7693 feet). However, the location feels remote and alpine in nature. First known technical line (The Siege IV A0 5.10c) was established in 2012, with a lot more rock left to explore.
GPS coordinates: 36° 30.560'N 118° 41.739'W. Take the Mineral King road in Sequoia National Park until you get to the Paradise Ridge trailhead near Atwell Mill campground. Take the paradise ridge trail for 3 miles up to the ridge. From there, The Fortress is roughy 2.5 miles NNW. Head cross country and contour through some small drainages until The Fortress and the gully below it come into view. Stay on the East (right) side of the gully until you're below the wall, then cross (only water) and make your way up to the base. Or take a helicopter, that would be easier.
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Mountain Project's determination of some of the classic, most popular, highest rated routes for The Fortress:
The Siege 5.10c A0 PG13 Trad, Aid, Alpine, 7 pitches, 1000 feet, Grade IV
Featured Route For The Fortress
The Siege 5.10c A0 PG13 CA : Sequoia & Kings Canyon Nati... : The Fortress
Pitch 0- scramble towards the obvious crack as high as possible. Climbing could range from 3rd class to about 5.5 here. We soloed this section (about 200ft)Pitch 1- Climb up a hand crack towards a pod and up to some face moves (5.9) above your gear. Step right into a well protected crack. Belay at the ledge bellow the stacked blacks (110 ft).Pitch 2- Be careful climbing up the huge detached block, continue up, step right (5.8) and continue climbing towards ledges above (90ft). PGPitch 3- Move up...[more] Browse More Classics in CA