Chiloe National Park is a national park of Chile, located in the western coast of Chiloe Island, in Los Lagos Region (region of the lakes). It encompasses an area of 430.57 km2 (166 sq mi) divided into two main sectors: the smallest, called Chepu, is in the commune of Ancud, whereas the rest, called Anay, is in the communes of Dalcahue, Castro and Chonchi.
The greater portion of the Park is in the foothills of Chilean Coastal Range, known as the Cordillera del Piuchén. The park was created by Supreme Chilean Decree N° 734, in 1983. Its surface area has been reduced by more than 45 km2 (17 sq mi) by populated land that was initially in the protected area.The climate is wet and temperate, with average annual temperatures of 11 °C (52 °F) and abundant precipitation distributed uniformly throughout the year, varying according to the altitude.