California's steepest bike climb miles we have documented are featured in the slideshow below. Scroll down this page to access the CA steepest 10 Bicycle Climbs "Table". The cycling climbs covering the steepest mile gradient in California, and some of the hardest and most scenic cycling climbs CA are, in order of steepness, 1. Socrates Mine Road, 2. Mix Canyon, 3. Old Priest Grade, 4. Iowa Hill Road West, 5. Welch Creek Road, 6. Tuna Canyon from PCH, 7. Bullfrog Pond, 8. Bohlman - On Orbit, 9. Rancheria Wall, and 10. The Corkscrew
To the left of the table and map below, just under "Sort By" and “Steepest Segment” you can change from the steepest mile by clicking on ½, 2.5 or 5 mi.
1 - 25
26 - 50
51 - 75
76 - 100
over 100