39. Lacets de Montvernier, France
Constructed: 1934
Risk Factor: Sharp turns, winding roads
“Lacets” mean “Hairpins” in English, so we’re sure you can guess what exactly makes this road so hazardous. The Lacets de Montvernier is a winding, dangerous, twisting-and-turning highway that leads to the Col du Chaussy summit.
Lacets de Montvernier, France @javarevalo / Pinterest.com
The average gradient is 8%, and the Lacets de Monvernier was the most-talked-about addition to the Tour de France in 2015. If you’re a newcomer to the sport of cycling, you don’t want to attempt the Lacets de Montvernier without years of training under your belt. If you’re a driver, the answer is to take them slowly. There are seventeen hairpins in total. Even if you don’t crash, you’re likely to get a little carsick on this winding road.