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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

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 9 - 15, 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 17 - 23, 2016

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, 2016

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

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, 2016

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
Saint Moritz
to Davos
Albula Traverse

Just north of Saint Moritz and the Julier Pass, and southwest of the Silvretta Group is a ski touring paradise called the Albula. We start this trip with a one day descent from the Diavolezza before continuing on to spend an additional 6 days of touring, connecting Saint Moritz to Davos. Mostly north-facing, the descents are amazingly good.

March 14 - 20, 2017
Ski Touring

This tour is one of our favorites. Great huts, fantastic ski descents, and big, glaciated peaks. We have 7 days of skiing starting and ending in Sulden, Italy. The daily routine: get up, enjoy a fine breakfast, climb another big peak, have a great ski down, shower, relax in the bar, dinner, to bed, and repeat. The perfect tour for skilled and adventurous skiers who enjoy their fun.

March 22 - 28, 2017

Haute Route
Ski Tour

This is the classic Chamonix to Zermatt ski journey. Our 8-day program starts with a day of off-piste in Chamonix (usually the Vallée Blanche) and cruises into Zermatt a week later. We'll stay at the Trient, Mont Fort, Prafleuri, Dix and Vignettes huts as we wind our way through the highest and most impressive section of the Alps.

March 31 - April 7, 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
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 29 - May 4, 2017
Check our availability page

last site update: September 16, 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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