Hike Cave of the Domes in the Grand Canyon with the CCC Outdoor Club! The only cave open to the public at Grand Canyon National Park is located on the edge of Horseshoe Mesa, about 3.5 miles below the South Rim of the Grand Canyon. This will be an all day hike, transportation provided. Meet at CCC at 5:30 a.m. and plan to arrive back at CCC around 7:00 p.m. This is a strenuous all-day hike, approximately 8 miles round-trip. Please bring a day-pack, with plenty of food, water and a flashlight to explore the caves! For more information, please contact Martha Johnson at This email address is being protected from spambots. You need JavaScript enabled to view it. or Adam Gifford at This email address is being protected from spambots. You need JavaScript enabled to view it.. Please RSVP no later than Friday, April 20!