There is a fine bouldering wall that is about 20 feet high adjacent to the Twin Valley Campground in the center of the park. The wall is probably 150 long with a good variety of features. There is also potential for a very long traverse problem that could take a while to master. This would be an ideal place to boulder if you were camping in the campground, but be respectful of campers since this wall is adjacent to a handful of sites.