Spring Mountain Road Climb
- long (7.3 km)
- 4.5 mi
- long (7.3 km)
- of climbing (532 m)
- 1,745 ft
- of climbing (532 m)
- average grade
- 7.3%
- average grade
- steepest 500 m
- 14.4%
- steepest 500 m
Elevation profile
From 292 ft at the bottom to 2,037 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 Spring Mountain Road this week
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Is it safe to bike up Spring Mountain 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: 1 bike crash was reported on or beside Spring Mountain Road along the climb from 2021–2025.
Common questions about Spring Mountain Road
- How long and steep is the Spring Mountain Road climb?
- 4.5 miles (7.3 km) at 7.3% on average, climbing 1,745 ft (532 m) from 292 ft to 2,037 ft. The steepest half kilometre averages 14.4%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 38.5066, -122.48028, where Spring Mountain Road leaves Spring Mountain Court, and tops out on the road at 38.52294, -122.54483.
- Is Spring Mountain 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
- Deer Park RoadCat 2 · 4.2 mi at 5.2% · 1,155 ft · starts 1.1 mi away
- Langtry RoadCat 3 · 2.1 mi at 5.4% · 597 ft · starts 2.6 mi away
- Whitehall LaneCat 3 · 2.2 mi at 8% · 935 ft · starts 3.0 mi away
- Greenfield RoadCat 3 · 1.8 mi at 6.2% · 594 ft · starts 4.8 mi away
- Los Alamos Road near St. HelenaCat 3 · 1.3 mi at 10.3% · 686 ft · starts 5.1 mi away
- Diamond Mountain Road from Saint Helena HighwayCat 2 · 3.3 mi at 8.2% · 1,444 ft · starts 6.1 mi away
- Adobe Canyon RoadCat 3 · 2.9 mi at 4.7% · 732 ft · starts 6.6 mi away
- Cougar LaneCat 3 · 0.9 mi at 17.5% · 843 ft · starts 6.7 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Category 2: 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.