Boulder Creek Road Climb near San Diego

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 Boulder Creek Road near San Diego climb?

2.5 miles (4.1 km) at 4.7% on average, climbing 627 ft (191 m) from 3,461 ft to 4,088 ft. The steepest half kilometre averages 6.9%. That makes it a Category 3 climb.

Where does the climb start and finish?

It starts at 33.02578, -116.63458, and tops out at Eagle Peak Road at 33.04848, -116.63612.

Is Boulder Creek 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.

• Engineers RoadCat 2 · 5.3 mi at 4.4% · 1,224 ft · starts 0.6 mi away
• North Peak RoadCat 2 · 1.6 mi at 14.5% · 1,204 ft · starts 2.9 mi away
• Mountain Circle DriveCat 3 · 0.9 mi at 10.9% · 531 ft · starts 3.1 mi away
• Cuyamaca Forest RoadCat 3 · 1.2 mi at 11.2% · 686 ft · starts 3.7 mi away
• Eagle Peak RoadCat 1 · dirt · 8.5 mi at 5.3% · 2,379 ft · starts 4.6 mi away
• Wynola RoadCat 3 · 2.8 mi at 3.9% · 577 ft · starts 4.8 mi away
• Lookout RoadCat 2 · 2.7 mi at 11.1% · 1,604 ft · starts 5.6 mi away
• Julian HighwayCat 2 · 7.0 mi at 3.6% · 1,329 ft · starts 6.2 mi away