American Mine Road Climb
- long (7.0 km)
- 4.3 mi
- long (7.0 km)
- of climbing (745 m)
- 2,444 ft
- of climbing (745 m)
- average grade
- 10.7%
- average grade
- steepest 500 m
- 15.2%
- steepest 500 m
Elevation profile
From 1,568 ft at the bottom to 4,012 ft at the top. Grades are averaged over each half kilometre, from USGS elevation data, so short ramps can be steeper than they show.
Weather at the top of American Mine Road this week
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Is it safe to bike up American Mine Road?
We don't rate roads as safe or unsafe: crash counts can't say how risky a ride is, and roads people like to ride draw more riders, so they see more crashes. What the records show: no bike crashes were reported along the climb from 2021–2025.
Common questions about American Mine Road
- How long and steep is the American Mine Road climb?
- 4.3 miles (7.0 km) at 10.7% on average, climbing 2,444 ft (745 m) from 1,568 ft to 4,012 ft. The steepest half kilometre averages 15.2%. That makes it a Category 1 climb.
- Where does the climb start and finish?
- It starts at 40.71277, -122.61346, where American Mine Road leaves Cline Gulch Road, and tops out at Shirttail Peak at 40.73977, -122.59407.
- Is American Mine Road paved?
- Yes, by its OpenStreetMap tags.
- How is the category worked out?
- From the climb's shape only: length in metres × average grade (%) of 16,000 or more for Cat 3, 32,000 for Cat 2, 64,000 for Cat 1 and 80,000 for HC. It describes how hard the climb is, not traffic or crashes.
- Where does this data come from?
- The climb is found from OpenStreetMap roads and USGS 3DEP elevation (every climb, not a list of famous ones). Access is from OpenStreetMap tags; gates and closures change, so obey posted signs. Crash counts are police reports in the California Crash Reporting System (CCRS) on data.ca.gov, counted where their map location is within 100 ft of the climb. The forecast is from the National Weather Service.
Other climbs nearby
- Highland Ridge RoadHC · dirt · 8.3 mi at 6.9% · 3,002 ft · starts 1.2 mi away
- French Gulch Road from Main StreetHC · 6.8 mi at 7.5% · 2,687 ft · starts 1.7 mi away
- Tom Green Mine RoadHC · dirt · 6.8 mi at 7.6% · 2,736 ft · starts 2.0 mi away
- Trinity Mountain RoadHC · 17 mi at 4% · 3,566 ft · starts 2.5 mi away
- Moran Mountain Road near Shasta LakeCat 3 · 1.4 mi at 10.4% · 774 ft · starts 3.4 mi away
- Crystal Creek Road from Eureka WayCat 3 · 3.8 mi at 4.8% · 961 ft · starts 3.4 mi away
- Iron Mountain Road from Whiskey Creek RoadCat 1 · dirt · 3.2 mi at 13.4% · 2,267 ft · starts 3.5 mi away
- Eureka WayCat 2 · 8.0 mi at 4.9% · 2,054 ft · starts 3.7 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Category 1: length in metres × average grade (%) of 16,000 or more for Cat 3, 32,000 for Cat 2, 64,000 for Cat 1 and 80,000 for HC. It describes how hard the climb is, not traffic or crashes. Crashes: bike crashes reported within 100 ft of the climb, 2021–2025, from the California Crash Reporting System (CCRS), counted only where the report has map coordinates. Weather: National Weather Service. Access from OpenStreetMap tags; obey posted signs. How the data works.