Edison Teson Mountain Road Climb
- long (2.8 km)
- 1.7 mi
- long (2.8 km)
- of climbing (270 m)
- 886 ft
- of climbing (270 m)
- average grade
- 9.7%
- average grade
- steepest 500 m
- 15.6%
- steepest 500 m
Elevation profile
From 3,596 ft at the bottom to 4,482 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 Edison Teson Mountain Road this week
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Is it safe to bike up Edison Teson 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: no bike crashes were reported along the climb from 2021–2025.
Common questions about Edison Teson Mountain Road
- How long and steep is the Edison Teson Mountain Road climb?
- 1.7 miles (2.8 km) at 9.7% on average, climbing 886 ft (270 m) from 3,596 ft to 4,482 ft. The steepest half kilometre averages 15.6%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 34.77841, -118.79156, where Edison Teson Mountain Road leaves Gorman Post Road, and tops out on the road at 34.79142, -118.79205.
- Is Edison Teson Mountain Road paved?
- Mostly: OpenStreetMap tags 86% 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
- Powerline RoadCat 3 · 1.8 mi at 6.2% · 594 ft · starts 1.6 mi away
- Powerline Road from Wheatfield TrailCat 3 · 2.9 mi at 4.7% · 715 ft · starts 2.3 mi away
- Old Ridge Route from Lancaster RoadCat 3 · 3.8 mi at 4.3% · 853 ft · starts 3.5 mi away
- Gold Hill Road near FillmoreCat 2 · 4.4 mi at 4.7% · 1,099 ft · starts 5.2 mi away
- Gold Hill Road from Hungry Valley RoadCat 3 · 3.9 mi at 4.1% · 833 ft · starts 5.6 mi away
- Frazier Mountain Park RoadCat 2 · 6.8 mi at 3.8% · 1,358 ft · starts 6.0 mi away
- Old Ridge Route near Santa ClaritaCat 3 · 3.1 mi at 3.2% · 531 ft · starts 6.6 mi away
- Buck Creek Road from Hardluck Campground RoadCat 3 · 2.0 mi at 5.1% · 528 ft · starts 7.0 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Category 3: 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.