Obscenity Wall is the next wall down canyon from Sine Wall. The best routes are Toadstool (5.11), a short but classic line similar to Davidson's Dihedral, and Fingering the Avatar (5.11-).
The rock on the top half of the wall is excelent, and the rock on the bottom half is not. For this reason, a lot of the climbs start on ledges half way up.
Getting There
50' or so after crossing the small wash at the end of the Sine Wall you'll come to a very big pine tree near the edge of the cliff. Look down and you'll see a flared finger crack in a dihedral (toadstool) and 3 wide cracks together (Red Snapper).