
The Ancash road AN-107 climbs from the Santa Valley through the Sector de las Mil Curvas, 46 hairpins over 26 km, before piercing the Cordillera Blanca via the highest road tunnel in the Americas at 4,732 m, with Huascarán dominating the view.
From Carhuaz the road winds steeply east into the Cordillera Blanca. The Sector de las Mil Curvas gains altitude relentlessly over 46 hairpins with views of Huascarán, Peru’s highest peak. At 4,732 m the 1,384 m Túnel Punta Olímpica pierces the divide, the highest road tunnel in the Americas; the descent to Chacas drops through the equally dramatic Conchucos valley.
Scenery
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Punta Olímpica on the map56.0 mi · point to point
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Character
More hairpins than 9 in 10 roads · higher than 9 in 10 roads in the catalogue.
Corners
busiest around mile 43Elevation
under 4%4–8%over 8%2,650.2 – 4,831.4 mPoints of interest3 stops
- Punta OlímpicaViewpoint38 mi in
- Escalar ChancosLandmark3.2 mi in
- Busto Pedro VillónLandmark9.3 mi in
Hazards
- Extreme altitude (4,732 m tunnel)
- 46 tight hairpins on the Mil Curvas section
- Fog and ice on the approaches
- Landslides in the rainy season
Sources
“The tunnel is 1,384 meters long at an elevation of 4,732m above sea level. The Sector de las Mil Curvas has a length of 26km featuring 46 hairpin turns.”
Verified route: mapped from real road geometry and fact-checked by a human editor. How roads get checked
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