Volcán Domuyo

Volcán Domuyo is the roof of Patagonia at 4,709 metres — the point where the southern Andes begin their long run to Tierra del Fuego — and the geothermal ground at its base steams, bubbles and scalds in places, a landscape the Mapuche communities of the valley have held sacred for centuries. The approach from Varvarco runs long deteriorating dirt with river crossings that spring melt can close, into a protected area with a ranger station and little else.

The massif anchors Neuquén's Sistema Domuyo protected area, its Aguas Calientes sector threading hot springs, fumaroles and heat-adapted life found nowhere else, with the Mapuche communities' presence and sacred sites — stone circles, offering platforms in the upper valley — part of the ground's meaning, not a backdrop to it. The visit divides honestly in two: the geothermal and valley circuits, reached with the day's food bought in Varvarco and rewarding a destination stay on their own; and the summit, which is a separate multi-day mountaineering plan in a region with thin route documentation, genuine river crossings and no rescue infrastructure — an objective most Argentine mountaineers have never attempted. Condors work the upper approaches in numbers, on their own air.