Offers top-flight instruction for novice to advanced climbers, plus guided climbs and bouldering instruction. Rates range from $172 per person for beginner full-day group climbing classes to $470 for two-day big wall seminars. It also leads half-/full-day hiking trips ($62/$80 per person for groups of four) in the park and rents equipment like sleeping bags and overnight packs. Operating since the 1960s.