Huahum River

Huahum River (Río Huahum)
Origin Lácar Lake
Mouth Pirihueico Lake
Basin countries  Chile/ Argentina

The Huahum River or Río Huahum, as it is known locally, is a river in southern Chile and Argentina. It drains the waters of Lácar Lake in Argentina to Pirihueico Lake in Chile. The river gives name to Huahum Pass, an international mountain pass on the border between Chile and Argentina.