Fresh snow and strong winds on the summit of Aconcagua. -Bill Dwyer

The central Andes rise up dramatically from the plains of Argentina. The high desertof the east side of the Andes, complete with steep rock canyons, raging rivers, and huge vertical relief, is a vast wilderness with limitless exploration and adventure potential. The beautiful city of Mendoza, Argentina, just east of the Andes, is the starting and ending location for IWLS Argentina courses. From here, you’ll journey to our expedition center in Penitentes, about 20 miles from Aconcagua, and surrounded by a vast mountain wilderness landscape.

IWLS offers Wilderness First Responder, High/Low angle rescue, and professional incident response courses during Argentina’s austral summer.

20 days

Glaciated peaks surround Aconcagua’s flanks and offer students world class mountaineering objectives. From the summit of El Cuerno (17,920ft/5,462m) and its ice fields to the airy ridgeline of Cerro Tolosa (17,821ft/5432m), the IWLS Argentina mountaineering course offers students a fine balance of altitude, mountaineering skills, and international travel.

20 days

Cerro Aconcagua dominates the region at a height of 22,841 feet (6,962m). It offers a unique educational opportunity for students seeking the skills and experience of participating in a high altitude climbing expedition in a foreign country.


Rock Climbing
12 days

The Caja de Arenales, is an incredible alpine valley situated just an hour south of Mendoza, Argentina. It has some of the highest quality granite in the area and offers a range of great crack climbs, tenuous sport routes, and long, multi-pitch alpine climbs. Warm austral summer days and plenty of sunshine make this a perfect alpine climbing environment to develop leadership guiding skills and technical competence.

12 and 24 days

The mountains and valleys surrounding Mendoza offer world class backpacking routes. This high desert region of Argentina, complete with fascinating geology, challenging terrain, and incredible views, gives IWLS students a unique backpacking experience in one of the least traveled areas of the region.


Whitewater Rafting
12 days

Descending from glaciers of Argentina’s highest mountains, the Mendoza River is one of the biggest drainages on the east side of the Andes and has exceptional whitewater rafting. Consistent Class III and IV rapids create an exciting learning environment with a backdrop of steep canyon walls and towering peaks.


40+ days

The high desert of the central Andes, immaculate alpine rock, and exciting rivers are set beneath Aconcagua, the tallest peak in the Western hemisphere. Semester students in Argentina develop solid rock climbing skills, high altitude experience, raft guiding skills on the Mendoza River, and comprehensive first aid and rescue techniques.