Curvas de Huanchaca is a collection of 24 hairpin turns in the graveled Route 3SF, in southeastern Peru, near the Urubamba Valley of the Andes mountain range. This stretch of road, with a length of 9.8km, starts at 2.261m (7,417ft) above the sea level, and climbs up to 2.900m (9,514ft). It’s one of the most hairpinned roads in the world.
The Curvas de Huanchaca ascent is 9.8 km long. Over this distance, the elevation gain is 639 meters. The average percentage is 6.5 %. The surface of the road is gravel and sand. This dangerous one-car-wide unpaved road, is cut out of the rock, in Apurímac river canyon.
It’s a real challenging road and a true test of your vehicle and your stamina because the road abounds in twists and turns with wheels sometimes hanging above the precipice. The road has no safety fences.