Tinquilco Lake, Glacial lake in Huerquehue National Park, Pucón, Chile

Tinquilco Lake is the largest lake in Huerquehue National Park, covering 110 hectares at about 700 meters elevation. It is fed by the Verde, Toro and Chico lakes and the Escondida, Huerquehue, Seca and Sin Nombre lagoons through the Nirrico, Rincón, Puma, La Cascada, Mariluán and Seco streams. Its outflow is the Quinchol River, a tributary of the Liucura. The eastern end holds campsites and a mountain refuge at the foot of the park's main trail.

Tinquilco Lake lies in Huerquehue National Park, created in 1967 in the La Araucanía Region. The lake is fed by the outflow of Verde, Toro and Chico lakes and the Escondida, Huerquehue, Seca and Sin Nombre lagoons, carried by the Nirrico, Rincón, Puma, La Cascada, Mariluán and Seco streams. Its water leaves through the Quinchol River toward the Liucura and Trancura rivers.

The lake sits at the foot of the main trail of Huerquehue National Park, where the route climbs toward smaller lakes and araucaria forests. Its eastern end holds a large number of campsites and a tourist refuge, the base for hikers heading up the Tres Lagos route to Lago Chico, Lago Toro and Laguna Verde.

The lake marks the start of a hiking route through the park that connects several lakes and takes several hours to complete. Visitors should be prepared for changing mountain weather and terrain that ranges from forest trails to higher elevations.

Tinquilco Lake is the largest lake in Huerquehue National Park, covering 110 hectares. Its water comes from the Verde, Toro and Chico lakes and the Escondida, Huerquehue, Seca and Sin Nombre lagoons, via the Nirrico, Rincón, Puma, La Cascada, Mariluán and Seco streams. The lake's eastern end holds numerous campsites and a tourist refuge at the foot of the park's main trail.