Twisted Sister Formation

There are 5 establish routes ranging from 5.5 to 5.10b and 100 to 120 feet. Twisted Sister has seen little use since there has been restricted access into the area. The only route that has receive enough recent use to keep the moss off is Invisabolt (5.10b). For descriptions on the other routes refer to pages 123-125 of the Umpqua Guide (ed. Orton, 2007).