Sugarloaf
The Sugarloaf Road climb is a challenging and scenic ascent near Boulder, Colorado. It’s a favorite among local cyclists for its combination of steep gradients, rugged mountain views, and relatively quiet roads. While it’s not the longest climb, it packs a punch with steep grades, especially if you’re not used to sustained efforts at altitude. Cyclists sometimes encounter deer, elk, or even black bears (so stay alert).
Region: Colorado
City: Boulder
Distance: 7.72 km
Elevation Gain: 602 m
Elevation Loss: 0 m
Difficulty: 570 (Moderate)
FIETS Index: 4.73 FIETS
Avg Grade: 7.86 %
Max cat climb: 2
Min elevation: 1849 m
Max elevation: 2451 m
Ride Category: Epic Climb