North Bloomfield-Graniteville Road Climb near Nevada City
- long (4.0 km)
- 2.5 mi
- long (4.0 km)
- of climbing (354 m)
- 1,161 ft
- of climbing (354 m)
- average grade
- 8.9%
- average grade
- steepest 500 m
- 13.8%
- steepest 500 m
Elevation profile
From 1,962 ft at the bottom to 3,123 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 North Bloomfield-Graniteville Road this week
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Is it safe to bike up North Bloomfield-Graniteville 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 North Bloomfield-Graniteville Road
- How long and steep is the North Bloomfield-Graniteville Road near Nevada City climb?
- 2.5 miles (4.0 km) at 8.9% on average, climbing 1,161 ft (354 m) from 1,962 ft to 3,123 ft. The steepest half kilometre averages 13.8%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 39.33028, -120.98431, and tops out on the road at 39.31218, -120.97676.
- Is North Bloomfield-Graniteville 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
- Cruzon Grade RoadCat 3 · 3.2 mi at 4.8% · 807 ft · starts 3.9 mi away
- Upper Whittlesey LaneCat 3 · 1.7 mi at 6.4% · 571 ft · starts 4.1 mi away
- North Bloomfield-Graniteville Road near Nevada CityCat 1 · dirt · 8.8 mi at 4.7% · 2,175 ft · starts 4.1 mi away
- Willow Valley RoadCat 2 · 3.1 mi at 6.7% · 1,109 ft · starts 4.4 mi away
- Red Dog Road from Boulder StreetCat 3 · 3.8 mi at 5% · 1,007 ft · starts 4.8 mi away
- Casci RoadCat 3 · 3.8 mi at 5.2% · 1,030 ft · starts 5.0 mi away
- Gracie RoadCat 3 · 1.6 mi at 7.2% · 591 ft · starts 5.5 mi away
- Banner Mountain TrailCat 3 · 2.5 mi at 4.2% · 551 ft · starts 5.6 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Category 2: 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.