Lefthand all the way to Brainard Lake..not the gate
📍 North Foothills Highway, Altona, Boulder County, Colorado, United States
Useful Links
View this climb on other sites.
| Google Street View |
| Strava |
Climb Stats
The most common and useful climbing metrics.
| Climb (Meters) | 1,345 m |
| Distance (Kilometers) | 35 km |
| Average Gradient | 3.8% |
| Climb Category | HC – Hors Categorie |
Detailed Climb Stats
Stuff for climbing nerds.
| Distance (Miles) | 21.75 miles |
| Distance (Raw) | 35,004 m |
| Elevation High | 3,061.6 m |
| Elevation Low | 1,716.6 m |
| Maximum Gradient | 18.2% |
| Climb Difficulty Score | 134,415.36 |
Social Climbing
All the important climbing popularity information.
💪 There are 2,535 recorded attempts by 1,203 individual cyclists. |
📈 That's an average of 2.11 attempts per cyclist. |
😞 No one has favourited this climb. |
Climb Rank
How does this climb compare against every other climb in the world?
🗺 This climb ranks 1,041st out of 2,710,652 worldwide cycling climbs. |
🧮 Ranked as the 79th most difficult cycling climb of all 337,250 climbs in United States. |
🏵️ A big one, this is the 10th most difficult cycling climb (out of 13,296 climbs) in Colorado. |
🥈️ This is the second most difficult cycling climb in Boulder County. |
🥈️ This is the second most difficult cycling climb in Altona. |
Site Update – October 2024
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