Rattlesnake Gap Road Climb
- long (2.3 km)
- 1.5 mi
- long (2.3 km)
- of climbing (202 m)
- 663 ft
- of climbing (202 m)
- average grade
- 8.6%
- average grade
- steepest 500 m
- 12.5%
- steepest 500 m
Elevation profile
From 2,802 ft at the bottom to 3,465 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 Rattlesnake Gap Road this week
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Is it safe to bike up Rattlesnake Gap 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 Rattlesnake Gap Road
- How long and steep is the Rattlesnake Gap Road climb?
- 1.5 miles (2.3 km) at 8.6% on average, climbing 663 ft (202 m) from 2,802 ft to 3,465 ft. The steepest half kilometre averages 12.5%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 40.69268, -123.06834, where Rattlesnake Gap Road leaves Carter Ranch Road, and tops out on the road at 40.7045, -123.06937.
- Is Rattlesnake Gap 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
- Soldier Creek RoadCat 1 · dirt · 8.1 mi at 6.1% · 2,605 ft · starts 1.6 mi away
- Maxwell Creek RoadCat 3 · 2.8 mi at 6.5% · 971 ft · starts 4.2 mi away
- Packers Creek Road from Big Creek RoadCat 2 · 5.1 mi at 5.1% · 1,391 ft · starts 5.1 mi away
- Maxwell Creek Road from Canyon RoadCat 2 · 2.7 mi at 10.5% · 1,516 ft · starts 5.2 mi away
- Brock Gulch RoadCat 2 · 4.2 mi at 6.3% · 1,398 ft · starts 6.0 mi away
- Miners Creek Road from Big Creek RoadHC · dirt · 10 mi at 5.1% · 2,749 ft · starts 6.3 mi away
- Oregon StreetCat 3 · 2.4 mi at 8.2% · 1,043 ft · starts 6.6 mi away
- Union Hill RoadCat 3 · 2.1 mi at 6.4% · 719 ft · starts 6.7 mi away
Places to ride to nearby
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.