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Backcountry Skiing
Rock Climbing
Mt. Shasta

Friends and Family Rock Climbing
Half-Day or Full ~ $269 for up to 4 people

Mt Shasta Summit Climb
May 16-17, 2015

Hidden Valley Basecamp - Shasta Ski
May 9-11, 2015
May 23-25, 2015

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Featured Programs

Who we are & what we do Upcoming Programs

Bela G. Vadasz
Technical Director
IFMGA Internationally Licensed
Mountain Guide

Mimi Vadasz
Adminstrative Director
AMGA Certified
Ski Mountaineering Guide

Member School

Director, Bela G. Vadasz
receives the AMGA
Lifetime Achievement Award

ASI was established in 1979 by Bela G. Vadasz and Mimi Maki-Vadasz. We are America's original all-terrain backcountry ski mountaineering, avalanche education and rock climbing courses and instruction and alpine climbing program based Truckee and in the Sierra Nevada, visiting the greatest ranges of the world. With experiences among the highest mountains in over 15 different countries, ASI's instructors and AMGA and IFMGA certified guides are also among the best and most experienced outdoor educators in America. We are the best in Tahoe.

Summer - Bear Creek Spire, Northeast RidgeOffering Rock Climbing Instruction and Courses in Truckee, CA at Donner Pass & Donner Summit and guided rock climbs at Lover's Leap, climbs of Mt. Shasta and many High Sierra peaks, including North Palisade, Bear Creek Spire, The East Face, East Buttress and the Mountaineer's Route on Mt. Whitney.

Fall - Clyde Couloir, North PalisadeWe guide great Sierra ice climbs such as Mt. Dana, the Dana Couloir, the U-notch and the V-notch on North Palisade and Mt. Sill. We visit many of the great ranges of the world including Mexico's Volcanoes, Mt. Blanc, the Matterhorn and the Himalaya.

Winter - Backcountry Adventure CenterWe specialize in AIARE Level 1, 2 & 3 Avalanche Courses, Backcountry Skiing, including telemark, randonnée, as well as splitboarding and winter mountaineering in the immediate Truckee/Lake Tahoe area along with ice climbing on Donner Pass as well as the famous Lee Vining Canyon. Also check out our Backcountry Adventure Center at Sugar Bowl Ski Resort. We offer daily sidecountry and backcountry tours with ski gear included.

Spring - Haute RouteEnjoy high route ski traverses and ski mountaineering to destinations including Mt. Shasta, the Sierra High Route, the European Haute Route and ski descents of the Tioga Pass area, the Palisades and much more.

Hidden Valley Base Camp
May 9-11, 2015
May 23-25, 2015

Intro Rock Climbing
May 23, 2015
June 6, 2015

Next Move
May 16, 2015
May 24, 2015

Learn to Follow Multi-Pitch
May 23, 2015
June 20, 2015

Anchoring Clinic
May 17, 2015
May 24, 2015

Learn to Lead
May 16, 2015
May 24, 2015

Climber's Self Rescue
May 17, 2015
June 15, 2015

Mount Whitney
July 5-6, 2015
July 20-21, 2015 (Mon-Tues) Full
July 26-27, 2015
Aug 2-3, 2015
Aug 3-4, 2015
Aug 9-10, 2015
Aug 22-23, 2015

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