Rock climbing instruction and guiding. (San Diego, California)

Rock climbing, ski and mountaineering instruction and guiding, and avalanche courses. Operates in the Eastern Sierra Nevada range. (Bishop, California)

Guide service based in Santa Barbara and leads trips to southern California and the southern and eastern Sierra Nevada.

Offering rock climbing instruction as well as guided backpacking trips and teambuilding facilitation. (Marina Del Rey, California)

Rock climbing instruction. Operates in Joshua Tree National Park. (Joshua Tree, California)

Offering rock and ice climbing and mountaineering trips throughout California and Nevada. (Bear Valley, California)

Guided rock and ice climbing, ski trips, and wilderness adventures. (June Lake, California)

Guided mountaineering adventures and instruction, women's trips, rock climbing, backcountry skiing and boarding on Mount Shasta. (Mount Shasta, California)

Rock climbing and mountaineering instruction and guiding. Operates in the Eastern Sierra Nevada range. (Bishop, California)

Rock climbing instruction and guiding in the Mammoth Lakes and Bishop areas of the Eastern Sierra. (Bishop, California)

Rock climbing instruction and guiding in Joshua Tree National Park. (Newport Beach, California)

Climbing school and guide service in Yosemite offering all levels of instruction and private guiding. (Fresno, California)