Paso Desolación (Desolation Pass)

Set within Chile's spectacular Vicente Perez Rosales National Park, the Paso Desolación (Desolation Pass) trek showcases the incredible, destructive power of the perfectly-conical Osorno volcano. The classic route runs point-to-point between La Picada and Petrohué; many hikers arrange transport at one end. The day hike traverses barren volcanic ash fields and lava flows, offering a stark contrast to the nearby lush, verdant forests. Along the route, hikers are treated to mesmerizing panoramic views stretching across the emerald-green waters of Lake Todos los Santos and the jagged peaks of Mount Tronador in the distance.

Following the historic path used by the Army of the Andes in 1817, this 6-day trans-Andean expedition traverses the central cordillera from Mendoza, Argentina, to the Cajón del Maipo in Chile. The route crosses two significant high-altitude barriers—Portillo Argentino (4,330m) and Paso Piuquenes (4,030m). Hikers move through a high desert landscape of volcanic rock, vast glacial valleys, and the powerful Tunuyán River. The terrain consists primarily of rocky mountain paths, loose scree on the steeper pass approaches, and high-altitude plateaus where exposure to wind and sun is constant.