Aliso Canyon Road Climb
- long (11.7 km)
- 7.3 mi
- long (11.7 km)
- of climbing (415 m)
- 1,362 ft
- of climbing (415 m)
- average grade
- 3.6%
- average grade
- steepest 500 m
- 9.8%
- steepest 500 m
Elevation profile
From 2,808 ft at the bottom to 4,170 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 Aliso Canyon Road this week
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Is it safe to bike up Aliso Canyon 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 Aliso Canyon Road
- How long and steep is the Aliso Canyon Road climb?
- 7.3 miles (11.7 km) at 3.6% on average, climbing 1,362 ft (415 m) from 2,808 ft to 4,170 ft. The steepest half kilometre averages 9.8%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 34.47502, -118.17027, where Aliso Canyon Road leaves Soledad Canyon Road, and tops out at Angeles Forest Highway at 34.41837, -118.08466.
- Is Aliso Canyon 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
- Desert RoadCat 3 · 1.8 mi at 7.1% · 669 ft · starts 1.1 mi away
- Hubbard Road from Escondido Canyon RoadCat 3 · 2.4 mi at 4.3% · 545 ft · starts 1.8 mi away
- Red Rover Mine RoadCat 3 · 2.5 mi at 5.1% · 666 ft · starts 3.0 mi away
- Angeles Forest Highway from East Soledad Pass RoadCat 3 · 4.3 mi at 3.8% · 866 ft · starts 3.2 mi away
- Bear Trap Canyon RoadCat 1 · dirt · 7.4 mi at 6.2% · 2,428 ft · starts 3.4 mi away
- Crown Valley RoadCat 2 · 6.8 mi at 3.3% · 1,171 ft · starts 3.4 mi away
- Edison RoadCat 3 · 1.6 mi at 10.6% · 902 ft · starts 3.4 mi away
- Bpl RoadCat 3 · 1.5 mi at 6.8% · 531 ft · starts 3.7 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.