Absaroka-Beartooth Mountains, MT
Climbs to nearly 11,000 ft between Red Lodge, MT and Yellowstone's NE entrance — switchbacks with some of the most dramatic alpine views of any US road.
Length
68 mi
Sinuosity
1.8x
Turns/mile
3
Elevation gain
5,000 ft
Real, well-documented alpine highway (CNN/Sunset have called it "America's most beautiful drive"). Sinuosity/turns-per-mile computed from actual OSRM route geometry (matched within 1% of curated length).