Province of La Unión topographic map

The Upper Amazon expedition (The Flying Expedition) included an Eastern European multi-axled articulated Land Rover for use on land, a float plane Papagaiu, for air support and reconnaissance, and the Peruvian Air Force offered a high elevation helicopter to reach the upper levels of the Chila mountain range…

Average elevation: 5,273 m

Average elevation: 3,696 m

Average elevation: 4,382 m

Average elevation: 2,954 m

Average elevation: 3,290 m

Average elevation: 2,318 m

Average elevation: 1,386 m

Average elevation: 2,455 m

Average elevation: 4,438 m

Average elevation: 3,585 m

Average elevation: 5,074 m

Average elevation: 1,400 m

Average elevation: 2,533 m

Average elevation: 2,945 m

Average elevation: 3,248 m

Average elevation: 1,263 m

Average elevation: 85 m

Average elevation: 4,536 m

Average elevation: 4,315 m

Average elevation: 3,049 m