Rattlesnake Bar Road Climb from Goose Flat Road
- long (2.7 km)
- 1.7 mi
- long (2.7 km)
- of climbing (211 m)
- 692 ft
- of climbing (211 m)
- average grade
- 7.9%
- average grade
- steepest 500 m
- 9.7%
- steepest 500 m
Elevation profile
From 669 ft at the bottom to 1,362 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 Bar Road this week
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Is it safe to bike up Rattlesnake Bar 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 Bar Road
- How long and steep is the Rattlesnake Bar Road from Goose Flat Road climb?
- 1.7 miles (2.7 km) at 7.9% on average, climbing 692 ft (211 m) from 669 ft to 1,362 ft. The steepest half kilometre averages 9.7%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 38.80914, -121.07566, where Rattlesnake Bar Road leaves Goose Flat Road, and tops out at Blarney Way at 38.82101, -121.05728.
- Is Rattlesnake Bar 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
- Salmon Falls RoadCat 3 · 4.5 mi at 4.2% · 991 ft · starts 3.2 mi away
- Shirland Tract RoadCat 3 · 2.5 mi at 4.2% · 545 ft · starts 3.5 mi away
- Rattlesnake Bar Road near LoomisCat 3 · 2.6 mi at 4.3% · 594 ft · starts 3.9 mi away
- Luneman RoadCat 3 · 2.0 mi at 5.8% · 607 ft · starts 5.9 mi away
- Bald Hill RoadCat 3 · 1.6 mi at 6.9% · 581 ft · starts 6.3 mi away
- El Dorado StreetCat 3 · 2.3 mi at 6.1% · 758 ft · starts 7.6 mi away
- Old Auburn Foresthill RoadCat 3 · 3.1 mi at 5.3% · 879 ft · starts 7.7 mi away
- Ridge Road near AuburnCat 3 · 2.9 mi at 3.8% · 568 ft · starts 8.0 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.