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: 17,300 ft

Average elevation: 12,126 ft

Average elevation: 4,547 ft

Average elevation: 16,647 ft

Average elevation: 14,377 ft

Average elevation: 9,692 ft

Average elevation: 10,794 ft

Average elevation: 7,605 ft

Average elevation: 8,054 ft

Average elevation: 14,560 ft

Average elevation: 11,762 ft

Average elevation: 4,593 ft

Average elevation: 8,310 ft

Average elevation: 9,662 ft

Average elevation: 10,656 ft

Average elevation: 4,144 ft

Average elevation: 10,003 ft

Average elevation: 279 ft

Average elevation: 14,882 ft

Average elevation: 14,157 ft