Angeles Forest Highway Climb near Palmdale
- long (6.0 km)
- 3.7 mi
- long (6.0 km)
- of climbing (286 m)
- 938 ft
- of climbing (286 m)
- average grade
- 4.8%
- average grade
- steepest 500 m
- 8.1%
- steepest 500 m
Elevation profile
From 3,970 ft at the bottom to 4,908 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 Angeles Forest Highway this week
Loading forecast…
Is it safe to bike up Angeles Forest Highway?
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 Angeles Forest Highway
- How long and steep is the Angeles Forest Highway near Palmdale climb?
- 3.7 miles (6.0 km) at 4.8% on average, climbing 938 ft (286 m) from 3,970 ft to 4,908 ft. The steepest half kilometre averages 8.1%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 34.42837, -118.09114, and tops out at Mill Creek Summit at 34.39158, -118.08103.
- Is Angeles Forest Highway 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
- Santiago Truck Trail from Angeles Forest HighwayCat 3 · 1.9 mi at 6.4% · 633 ft · starts 1.0 mi away
- Bpl RoadCat 3 · 1.5 mi at 6.8% · 531 ft · starts 2.3 mi away
- Santiago Truck Trail near PalmdaleCat 3 · 1.0 mi at 10.1% · 531 ft · starts 2.3 mi away
- Bear Trap Canyon RoadCat 1 · dirt · 7.4 mi at 6.2% · 2,428 ft · starts 2.5 mi away
- Mount Gleason Road from Angeles Forest HighwayCat 3 · 4.8 mi at 3.5% · 876 ft · starts 2.6 mi away
- Angeles Forest Highway from East Soledad Pass RoadCat 3 · 4.3 mi at 3.8% · 866 ft · starts 4.4 mi away
- Edison RoadCat 3 · 1.6 mi at 10.6% · 902 ft · starts 4.8 mi away
- Mount Gleason Road near La Cañada FlintridgeCat 3 · 2.4 mi at 7.3% · 909 ft · starts 4.9 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.