Stewart Springs Road Climb
- long (9.3 km)
- 5.8 mi
- long (9.3 km)
- of climbing (524 m)
- 1,719 ft
- of climbing (524 m)
- average grade
- 5.6%
- average grade
- steepest 500 m
- 13.9%
- steepest 500 m
Elevation profile
From 3,045 ft at the bottom to 4,764 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 Stewart Springs Road this week
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Is it safe to bike up Stewart Springs 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 Stewart Springs Road
- How long and steep is the Stewart Springs Road climb?
- 5.8 miles (9.3 km) at 5.6% on average, climbing 1,719 ft (524 m) from 3,045 ft to 4,764 ft. The steepest half kilometre averages 13.9%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 41.44318, -122.44369, where Stewart Springs Road leaves Old Highway 99, and ends where the road ends at 41.40381, -122.52157.
- Is Stewart Springs Road paved?
- Mostly: OpenStreetMap tags 67% of the climb as paved, and the rest as dirt or gravel.
- 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
- Parks Creek Road from Stewart Springs RoadHC · 9.1 mi at 6.3% · 3,041 ft · starts 3.4 mi away
- Dewey Mine RoadCat 1 · dirt · 4.8 mi at 9.3% · 2,362 ft · starts 4.2 mi away
- Off RoadHC · dirt · 3.2 mi at 17.9% · 3,061 ft · starts 6.2 mi away
- Gazelle Callahan Road near WeedCat 1 · 11 mi at 3.8% · 2,178 ft · starts 6.5 mi away
- Macks Gulch RoadCat 1 · dirt · 5.5 mi at 7.4% · 2,169 ft · starts 6.9 mi away
- Juniper Valley DriveCat 3 · 4.5 mi at 3.2% · 755 ft · starts 7.9 mi away
- Scarface Road near WeedCat 2 · 8.8 mi at 4.4% · 2,037 ft · starts 8.3 mi away
- Cram Gulch RoadCat 3 · 2.8 mi at 4.8% · 712 ft · starts 9.7 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.