Idyllwild National Forest Highway Climb
- long (21.0 km)
- 13 mi
- long (21.0 km)
- of climbing (945 m)
- 3,100 ft
- of climbing (945 m)
- average grade
- 4.5%
- average grade
- steepest 500 m
- 6.6%
- steepest 500 m
Elevation profile
From 1,847 ft at the bottom to 4,948 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 Idyllwild National Forest Highway this week
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Is it safe to bike up Idyllwild National 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 Idyllwild National Forest Highway
- How long and steep is the Idyllwild National Forest Highway climb?
- 13 miles (21.0 km) at 4.5% on average, climbing 3,100 ft (945 m) from 1,847 ft to 4,948 ft. The steepest half kilometre averages 6.6%. That makes it a Hors catégorie climb.
- Where does the climb start and finish?
- It starts at 33.74034, -116.84569, and tops out on the road at 33.68682, -116.70346.
- Is Idyllwild National 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
- Rouse Hill RoadHC · dirt · 11 mi at 5.6% · 3,261 ft · starts 0.4 mi away
- Indian Canyon RoadHC · dirt · 9.7 mi at 6.4% · 3,248 ft · starts 1.7 mi away
- Idyllwild Control RoadHC · dirt · 6.1 mi at 8.6% · 2,772 ft · starts 2.9 mi away
- Rawlings RoadCat 3 · 1.6 mi at 6.7% · 564 ft · starts 4.9 mi away
- Black Mountain Road from Banning-Idyllwild Panoramic HighwayCat 1 · dirt · 6.6 mi at 6.6% · 2,297 ft · starts 6.4 mi away
- Banning-Idyllwild Panoramic Highway near Palm SpringsCat 2 · 4.4 mi at 4.5% · 1,056 ft · starts 6.8 mi away
- Banning-Idyllwild Panoramic Highway near Palm SpringsCat 2 · 7.3 mi at 4.5% · 1,745 ft · starts 7.3 mi away
- Poppet Flats RoadCat 3 · 1.6 mi at 8.2% · 715 ft · starts 7.4 mi away
Bike crash hotspots nearby
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Hors catégorie: 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.