Antillanca is situated in the Puyehue National Park near Osorno, in the Los Lagos Region of Chile. Nestled on the slopes of the Casablanca Volcano, which adds to its unique appeal as a skiing destination.
Two other ski resorts, Corralco (on Lonquimay Volcano) and Ski Pucon (on Villarrica Volcano), are located in the same region, making it a popular area for volcano-based winter sports.