Carirriñe Pass is an international mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 in the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 between Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

 and Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

. The pass connects Coñaripe

Coñaripe

Coñaripe is a Chilean town and resort area, located on the shore of Calafquén Lake. Administratively it belongs to Panguipulli commune in Valdivia Province of Los Ríos Region....

 and Liquiñe

Liquiñe

Liquiñe is a town in Liquiñe Valley, in Panguipulli commune, Valdivia Province, Chile. The area around the village is home to South America's densest collection of hot springs. There are literally hundred of sites where geothermal waters flow up out of the earth. The water emerges from the ground...

 in Chile with Junín de los Andes

Junín de los Andes

Junín de los Andes is a village in the province of Neuquén, Argentina. It has 10,592 inhabitants as of the , and is the head town of the Huiliches Department...

 in Argentina. At the site of the pass some of the southernmost Araucaria trees

Araucaria araucana

Araucaria araucana is an evergreen tree growing to tall with a trunk diameter. The tree is native to central and southern Chile, western Argentina and south Brazil. Araucaria araucana is the hardiest species in the conifer genus Araucaria...

grows. The road is not paved and the pass may be closed most of the year due to snowfalls, minor landslides and rehabilitation. At the highest point the pass reaches 1176 m (3,858 ft).