The Palena River or Carrenleufú is a river shared by Chile and Argentina in Northern Patagonia. It drains the waters of the Vintter Lake, also shared by these nations, and it flows into the Pacific Ocean. 56.5% of the river basin lies in Chile.[4]
The river originates as the Carrenleufú as the out-flow from Lake Vintter. Its major tributaries include the Tranquilo, Figueroa, Frío, Risopatrón and Melimoyu rivers.[5]