MAS is based in Bear Valley, California in the Sierra Nevada and offers programs in our own backyard plus Mt. Lassen, Lovers Leap, Calaveras Dome, throughout the Bay Area, Cosumnes, Pinnacles National Monument and Red Rocks, Nevada.

MAS takes pride in providing exceptional instruction and finely crafted adventures designed to optimize learning, self-enrichment and fun.  Whether you choose a one day skills program or a multi-day adventure, MAS can show you the way to a prosperous career in "wild-places".  We hope to see you out there soon.