This area boasts some of the best bouldering in California, as well as the finest granite climbing between Tuolumne Meadows and the Needles. The best of the welded tuff has a dark, smooth patina, with numerous pockets. There are also numerous formations that are high-quality featured granite. The town of Mammoth Lakes is located in California, just east of Yosemite National Park off U.S. Hwy. Daytime temperatures in summer are generally in the high 70s, with an occasional afternoon thundershower.
Nighttime temperatures are chilly, and often dip below freezing.
Fall usually starts with an Indian summer. A cross section is reprinted here. These areas will provide the visitor with easy access to high-quality rock of diverse types. Rock Creek is a beautiful alpine canyon draining the 13,000' peaks of the Mt. Abbott region. The rock is excellent-quality granite, offering some of the best crack climbing this side of Yosemite.