3 Bear Valley Road
Bear Valley, CA 95223
Mountain Adventure Seminars (MAS) is a year-round mountaineering school and guide service based in Bear Valley, offering family, group and individual rock climbing workshops, adventures, camps and specialty programs. Winter activities include mountaineering school, seminars, and workshops, telemark skiing, backcountry skiing and guided and private snowshoeing.
MAS staff are hired for their technical and personal skills and have proven themselves as professional educators, mentors and leaders. The MAS staff takes pride in leading safe, educational and fun programs.