Burr Valley Road Climb near Rio Dell

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.

How long and steep is the Burr Valley Road near Rio Dell climb?

3.6 miles (5.8 km) at 5.6% on average, climbing 1,066 ft (325 m) from 2,753 ft to 3,819 ft. The steepest half kilometre averages 17.7%. That makes it a Category 2 climb.

Where does the climb start and finish?

It starts at 40.47117, -123.6544, and tops out on the road at 40.44811, -123.6229.

Is Burr Valley 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.

• Buck Mountain RoadCat 2 · 2.9 mi at 7% · 1,079 ft · starts 2.3 mi away
• Larabee Buttes Access RoadCat 3 · 1.6 mi at 7.7% · 669 ft · starts 2.5 mi away
• Van View RoadCat 3 · 1.0 mi at 13.3% · 732 ft · starts 2.7 mi away
• Bear Creek Road from Pinsmore RoadCat 3 · 1.3 mi at 10.6% · 745 ft · starts 2.7 mi away
• Bear Creek RoadCat 3 · 0.8 mi at 13.6% · 548 ft · starts 3.0 mi away
• Mc Clellan Mountain RoadCat 3 · 1.7 mi at 6.8% · 597 ft · starts 3.2 mi away
• Anderson Ford RoadCat 3 · 1.3 mi at 10.4% · 709 ft · starts 3.4 mi away
• Oak RoadCat 3 · 1.2 mi at 10.1% · 646 ft · starts 3.5 mi away