This wall is actually part of The Fortress and can be found on the eastern end of the formation between the Winter Prime and Red Pillar walls.
The current, most obvious trail ascends roughly in the middle of The Fortress; near the top, a trail should split right and lead you toward the eastern half from which you can gain access to the numerous walls.
Browse More Classics in Sun Wall Area
Mountain Project's determination of some of the classic, most popular, highest rated routes for Sun Wall Area:
Sun Wall Right 5.9+ Trad, TR, 1 pitch, 100 feet
Sun Wall Middle 5.10b Trad, 1 pitch, 95 feet
Sun Wall Left 5.10c Trad, 1 pitch, 90 feet
Featured Route For Sun Wall Area
Sun Wall Middle 5.10b CA : Tahoe Vicinity : ... : Sun Wall Area
An excellent route composed of fairly sustained climbing requiring good footwork, jamming skills, and even some OW near the start. Good rests come every so often, however, and the route is well-protected with gear. I found some of the rock up high to be a little dirty and exfoliating. Crux is half-way to the top and airy/overhanging....[more] Browse More Classics in CA