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3008 masl at Cristo Redentor tunnel entrance (Chilean side), 3081 masl Argentine side;
the actual pass is at 3832 masl on the old road (closed in winter)
32° 49′ 38.06″ S, 70° 5′ 31.67″ W
Paved on both sides, roadworks on the Chilean side (2010)
to tunnel entrance: 1675 metres up from Rio Blanco, Chile (1387 masl); distance 33 km
to tunnel entrance: 1636 metres up from Uspallata, Argentina (1891 masl); distance 87 km
16 km from tunnel entrance @ Puenta del Inca (Argentina); 3 km from entrance (Chile)
Uspallata (Argentina): 87 km; Rio Blanco (Chile): 33 km
Please make sure you eat all fresh and dried food before entering Chile. It is prohibited to take it across the border.