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We are an international climbing and skiing guide service owned and operated by UIAGM / IFMGA Certified Mountain Guides Kathy Cosley & Mark Houston. We specialize in small-group and custom climbing and skiing trips and expeditions to the great alpine destinations of the world. Our programs include mountaineering, rock and ice climbing, expeditions and ski mountaineering.

Thanks for visiting!

Kathy & Mark


Upcoming Trips

Sk Touring
Valle Maira

Pensione-based ski touring. "Old World" Italy, fantastic food, powder snow in a less-visited corner of the Alps.


February 20 - 24, 2017
Ski Touring

This quiet corner of the Alps is known for powder snow and sunshine. Think "Colorado" with huts that have showers and a full bar. In our Queyras tour we spend 6 days skiing, staying in both hotels, gîtes as well as three nights in mountain refuges.

February 26 - March 3, 2017

Ski Tour

The Silvretta group straddles the border between Italy and Austria. Our 6-day tour starts on the Austrian side and visits 3 huts, the Heidelberger, the Jamtal and the Wiesbadener. This is a prefect choice as an introduction to ski touring in the Alps, with comfortable huts (showers!) and superb touring terrain.

March 7 - 12, 2017
Haute Route

This is the hardest tour we do on a regular basis. The "Classic" Chamonix to Zermatt, traversing the Plateau du Couloir, with an added ascent, and (of course) descent of Mont Vélan. 8 days of skiing, with big days every day. Some serious vertical, up and down. For expert skiers, happy to push themselves.

March 24 - 31, 2017
Ski Tour

The Berner Oberland is a vast complex of giant valley glaciers and big peaks. This country looks more like Alaska, with immense glaciers, big icefalls and long descents. Unlike Alaska, however, there are comfortable huts and easy access from the Jungfraujoch train. 6 days of skiing, staying in a new hut every night (except the two we spend in the very nice Finsteraarhorn hut.

April 11 - 16, 2017
Gran Paradiso
Tour / Ascent

The 4061 meter Gran Paradiso is the highest peak wholly within Italy. It is also a fantastic ski peak. On this 6-day tour, we traverse through the Gran Paradiso National Park, skiing hut-to-hut over high passes, finally arriving at the Vittorio Emanuele hut on our last night. We can ski nearly to the summit of the peak, with the last exciting 50 meters being on foot..

April 19 - 24, 2017
Kathy's Woolly

In a new direction, Kathy will offer a cultural tour in the Hautes Alpes region near Briançon in June. This tour focuses on pastoralism and combines light hiking in the Queyras mountains, with workshops in such fiber arts as felting, vegetable dyeing, and hand spinning, led by some new friends she has made near Serre Chevalier.

June 18 - 25, 2017
Haute Route
Glacier Trek

This is a challenging high altitude trek linking the Chamonix Valley and Zermatt. For much of this route we are on glaciers or off trail, on climbers paths and routes. We'll stay in mountain huts, rise early and enjoy long days in high alpine terrain. This 7-day route is distinctly more difficult than the "walker's" (non-glacier) route, but offers the rewards of a greater challenge.

July 10 - 16, 2017
Glacier Trek

This is the summer trek through the heart of the Berner Oberland. A 7-day hut-to-hut expedition though the vast complex of the largest glaciers in in the Alps. Similar in difficulty to the summer Chamonix to Zermatt Glacier Trek below, this adventure spends part or all of every day on large valley glaciers and among giant peaks more reminiscent of Alaska than the Alps.

July 19 - 25, 2017

Alps Summer

We spend every summer guiding in our backyard, the Alps. Let us know if you think you might like to join us.


June - September, 2017

Rock Climbing
Les Calanques

Les Calanques are the French Riviera's answer to the fiords of Norway–deep canyons of limestone dropping down in the gentle Mediterranean. Climbers have been enjoying the rock, the beaches and the water for over 100 years. In October and November, the weather is usually wonderfully warm, the sun is out and Les Calanques becomes a fantastic place to store up memories and sunshine before a long, cold winter.

October and November
Check our availability page

last site update: October 20, 2016 - see history

Awards from the
American Mountain
Guides Association

more info

"Outstanding Guide Award" Kathy & Mark 2005

"Lifetime Achievement Award" Kathy Cosley 2013

"Lifetime Achievement Award" Mark Houston 2014

Read our book!

Kathy Cosley & Mark Houston
UIAGM Internationally Licensed Mountain Guides

AMGA Certified • SNGM members
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