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Backcountry Skiing
Tahoe Mountains
AIARE Avalanche
Ice Climbing Donner

AIARE Avalanche Level 1
January 23-25, 2014 (4 Spots)
January 31 - Feb 2, 2015 (3 Spots)

AIARE Avalanche Level 2
February 6-9, 2015 ( 2 spots)
Mar 6-9, 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.

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.

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.

Backcountry Skiing & Splitboarding
Jan 10, 2015 - full
Jan 17, 2015 - full
Jan 19, 2015
Jan 24, 2015 - 3 spots
Feb 7, 2015
Feb 14, 2015
Mar 7, 2015
Mar 14, 2015
Mar 28, 2015

AIARE Avalanche Level 1
January 2-4, 2015 - full
January 10-12, 2015 - one spot
January 17-19, 2015 MLK weekend - Full
January 23-25, 2015 - 4 spots
January 31 - February 2, 2015
February 6-8, 2015
February 14-16, 2015 President's weekend
February 20-22, 2015...

AIARE Avalanche Level 2
February 6-9, 2015
March 6-9, 2015

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