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 snowboarding and guided and private snowshoeing.
Whether you are looking for a fun, family rock climbing experience or snowshoeing adventure, or looking to gain serious mountaineering skills, Mountain Adventure Seminars, which has been operating since 1996 and is currently one of the top outdoor schools and guide services in the nation, has everything you need.
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.
MAS is owned and operated by Aaron & Kimi Johnson and is a reflection of their love for the outdoors and enthusiasm for playing, sharing and educating in “wild places”.
Go snowshoeing on one of the MAS snowshoe adventures options and learn skiing and snowboarding from their pros. Check out their many rock climbing workshops and mountaineering courses. You can even get AIARE avalanche education, which includes classroom and field exercises – for potentially life-saving backcountry skills and knowledge. Want to set something up for your family or group? Get the scoop on private and group rates.