AMGA
Mimi Vadasz
Adminstrative Director
AMGA Certified
Ski Mountaineering Guide

FMGA
Bela G. Vadasz
Technical Director
IFMGA Certified Guide

PSIA
Member School





















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 climbing program based 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 bring a wealth of experience to help coach and lead you to the greatest adventures of your lifetime.

Summer - Bear Creek Spire, Northeast RidgeOffering rock climbing courses at Donner Pass 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.

Spring - Haute RouteEnjoy high route ski traverses and ski mountaineering to destinations including Mt. Shasta, The Sierra High Route, the Alpine Col Tour and the Evolution Loop, European Haute Route and ski descents of Mt. Tom, Mt. Whitney, the Palisades and much more.

Winter - Tahoe Steep SkiingWe specialize in AIARE Level 1, 2 & 3 Avalanche Courses, Backcountry Skiing, including telemark, randonnée, as well as backcountry snowboarding and winter mountaineering in the immediate Truckee/Lake Tahoe area along with ice climbing in the famous Lee Vining Canyon.







Intro To Rock Climbing
Every Wednesday & Saturday

The Next Move
Every Sunday

Rock Anchoring Clinic
July 26, 2008
Aug 2, 2008

Learn To Lead
July 27, 2008
Aug 17, 2008
Aug 31, 2008



Alpine Mountaineering Camp
Aug 2-5, 2008

Mt. Sill, The Swiss Arête
Aug 15-17, 2008

Mt. Conness, The North Ridge
Aug 23, 2008...

The Dana Couloir
Aug 24, 2008...

Bear Creek Spire, NE Ridge
Aug 30-31, 2008




Mountaineer's Route
July 26-27, 2008
Aug 25-26, 2008
Sept 22-23, 2008

East Face
Aug 23-24, 2008

East Buttress
Sept 6-7, 2008
Sept 20-21, 2008