Big Hill Road Climb from Bigfoot Scenic Byway
- long (14.2 km)
- 8.8 mi
- long (14.2 km)
- of climbing (1,154 m)
- 3,786 ft
- of climbing (1,154 m)
- average grade
- 8.1%
- average grade
- steepest 500 m
- 11.5%
- steepest 500 m
Elevation profile
From 335 ft at the bottom to 4,121 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 Big Hill Road this week
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Is it safe to bike up Big Hill 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 Big Hill Road
- How long and steep is the Big Hill Road from Bigfoot Scenic Byway climb?
- 8.8 miles (14.2 km) at 8.1% on average, climbing 3,786 ft (1,154 m) from 335 ft to 4,121 ft. The steepest half kilometre averages 11.5%. That makes it a Hors catégorie climb.
- Where does the climb start and finish?
- It starts at 41.08236, -123.69412, where Big Hill Road leaves Bigfoot Scenic Byway, and tops out on the road at 41.08317, -123.58478.
- Is Big Hill 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
- Redwood Grove RoadCat 2 · 2.1 mi at 10.4% · 1,184 ft · starts 0.7 mi away
- Mill Creek Road near Blue LakeHC · 7.0 mi at 8.8% · 3,255 ft · starts 0.9 mi away
- Pine Creek Road near Blue LakeCat 3 · 2.2 mi at 6.3% · 738 ft · starts 1.1 mi away
- French Camp Road from Nixon RoadCat 3 · 1.1 mi at 8.9% · 541 ft · starts 2.0 mi away
- Bair Road from Pine Creek RoadHC · dirt · 8.3 mi at 6.8% · 2,986 ft · starts 2.3 mi away
- Bloody Camp Road from French Camp RoadCat 2 · 4.8 mi at 5.9% · 1,486 ft · starts 2.6 mi away
- Pine Ridge RoadCat 1 · dirt · 7.2 mi at 6.2% · 2,359 ft · starts 4.1 mi away
- Telescope Peak RoadHC · 7.5 mi at 7.7% · 3,041 ft · starts 4.3 mi away
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.