A few boulders along with 3 cliff bands, two on the west side of the creek and one on the east. The on the east is a huge choss pile while the west side is quite a bit better. Climbing is best when water levels are low.
Park at the intersection of Skyline and 40th ave West. walk down the hill to the creek. There is climbing on both sides of the creek you just have to look around for it
Mountain Project's determination of some of the classic, most popular, highest rated routes for Sanctuary: