Araucanía Pucón Pucón is on the eastern shore of Lago Villarrica, at the foot of Volcán Villarrica, in the Araucanía region, land of the mapuches. It's the adventure-sports base of southern Chile: climbing the volcano, rafting, trekking and lake bathing. Around it are Playa Grande and La Poza on Lago Villarrica, Parque Nacional Huerquehue and the Ojos del Caburgua.