The name Nevados de Chillán belongs both to the resort and to the trio of volcanoes that hold it up, in the young Ñuble region of central Chile. Cerro Blanco rises to the northwest at 3,212 meters. Volcán Viejo, the "old" volcano, sits to the southeast at 3,089 meters. Between them stands Volcán Nuevo, the "new" one, the youngest and most restless of the three. It has been growing since the 1940s and now stands taller than its older sibling, a mountain literally building itself in human time. This is not extinct scenery. Beginning in 2016, Nuevo entered a fresh eruptive cycle, with explosions and a lava dome named Gil-Cruz rising and collapsing inside its crater through 2018 and beyond, monitored closely by Chile's volcanologists.

Most Andean ski areas are bare, wind-scoured worlds above the treeline, beautiful but stark. Nevados de Chillán is one of the rare exceptions. The base lodge sits at 1,500 meters and the highest lift tops out around 2,200, a vertical drop of roughly 700 meters, and the area carries an average of about thirty feet of natural snow a year. Roughly half the terrain is advanced free-skiing above the trees, a country of bumps and bowls served by short, quick lifts that let you rack up runs. But the real signature is the forest: a long looping trail threads the wooded edge of the resort, with blue and red runs nearby that drop into narrow chutes and challenging steeps among the trees. After a fresh snowfall, you can find near-pristine lines for a day or two before the crowds catch up.

Before the slopes, there were the springs. The resort was long known as Termas de Chillán, "the hot springs of Chillán," and the volcanic baths were its whole reason for being. When new owners took over in 2008, they renamed the place and rebuilt the ski operation, but they had the good sense to keep the thermal spas open. So the day still ends the old way, with a long soak in hot mineral water heated deep in the volcano, the muscles unknotting while steam rises into the cold mountain air. Two ski-in, ski-out hotels stand within the resort grounds, and twenty minutes down-valley the village of Las Trancas offers cabins, chalets, and rooms for everyone the hotels can't hold.

The resort lies about eighty kilometers up into the mountains from the city of Chillán, and the journey is part of the adventure. Most travelers arrive through Concepción, whose Carriel Sur airport receives daily flights from Santiago, then continue by shuttle, taxi, or rental car. Others come overland from Santiago: the train to Chillán is the most comfortable option, a roughly four-and-a-half-hour ride for as little as a few dollars, faster than the bus or the car. The final mountain road is no place to take lightly, with tolls, the constant possibility of weather closures, and a legal requirement to carry tire chains. A practical quirk endures: navigation apps still want you to search for "Termas de Chillán," because nearly two decades on, the maps have never quite accepted the name change.