Nacimiento-Fergusson Road Climb
- long (11.2 km)
- 7.0 mi
- long (11.2 km)
- of climbing (791 m)
- 2,595 ft
- of climbing (791 m)
- average grade
- 7.1%
- average grade
- steepest 500 m
- 10.6%
- steepest 500 m
Elevation profile
From 180 ft at the bottom to 2,776 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 Nacimiento-Fergusson Road this week
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Is it safe to bike up Nacimiento-Fergusson 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 Nacimiento-Fergusson Road
- How long and steep is the Nacimiento-Fergusson Road climb?
- 7.0 miles (11.2 km) at 7.1% on average, climbing 2,595 ft (791 m) from 180 ft to 2,776 ft. The steepest half kilometre averages 10.6%. That makes it a Category 1 climb.
- Where does the climb start and finish?
- It starts at 35.98866, -121.49414, where Nacimiento-Fergusson Road leaves Cabrillo Highway, and tops out at Cone Peak Road at 36.01027, -121.45309.
- Is Nacimiento-Fergusson 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
- Hermitage Road from Cabrillo HighwayCat 3 · 1.5 mi at 9.7% · 774 ft · starts 3.3 mi away
- Plaskett Ridge RoadHC · dirt · 4.8 mi at 11.6% · 2,923 ft · starts 5.1 mi away
- South Access RoadCat 1 · dirt · 8.5 mi at 5.5% · 2,474 ft · starts 7.2 mi away
- Los Burros RoadHC · dirt · 7.6 mi at 7.8% · 3,114 ft · starts 7.4 mi away
- Indians Road from Milpitas RoadCat 3 · 1.4 mi at 7.4% · 548 ft · starts 8.2 mi away
- Rodeo Flat TrailCat 1 · dirt · 2.6 mi at 15.2% · 2,113 ft · starts 8.4 mi away
- Cabrillo HighwayCat 3 · 3.6 mi at 3.8% · 709 ft · starts 10 mi away
- Gorda Mount RoadCat 3 · 1.1 mi at 13.1% · 787 ft · starts 11 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Category 1: 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.