Coordinates: 46°50′50″S 75°20′04″W / 46.84722°S 75.33444°W
The Tres Montes Peninsula (Spanish: Península Tres Montes, English: Three Hills Peninsula) is a southwestward projection of Taitao Peninsula which in turn connects to the mainland of Chile by the narrow Isthmus of Ofqui. The peninsula is situated in Aysén del General Carlos Ibáñez del Campo Region close to the Chile Triple Junction of the Nazca, Antarctic and South American plates.