Peterson Road Climb from Peterson Mill Road
- long (5.4 km)
- 3.3 mi
- long (5.4 km)
- of climbing (209 m)
- 686 ft
- of climbing (209 m)
- average grade
- 3.9%
- average grade
- steepest 500 m
- 10.2%
- steepest 500 m
Elevation profile
From 3,904 ft at the bottom to 4,590 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 Peterson Road this week
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Is it safe to bike up Peterson 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 Peterson Road
- How long and steep is the Peterson Road from Peterson Mill Road climb?
- 3.3 miles (5.4 km) at 3.9% on average, climbing 686 ft (209 m) from 3,904 ft to 4,590 ft. The steepest half kilometre averages 10.2%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 37.02794, -119.2546, where Peterson Road leaves Peterson Mill Road, and tops out at Taylor Creek Road at 37.04264, -119.30307.
- Is Peterson 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
- Providence Creek Road from Peterson Mill RoadCat 1 · 5.6 mi at 7.2% · 2,113 ft · starts 1.1 mi away
- Providence Creek RoadCat 3 · 3.2 mi at 6% · 1,020 ft · starts 2.9 mi away
- Peterson Road near ClovisCat 3 · 1.8 mi at 8% · 755 ft · starts 4.3 mi away
- Peterson Mill RoadCat 2 · 8.0 mi at 3.8% · 1,611 ft · starts 4.6 mi away
- Dinkey Creek RoadCat 3 · 4.3 mi at 3.7% · 840 ft · starts 4.7 mi away
- Rocky Springs RooadCat 3 · 1.7 mi at 8.9% · 820 ft · starts 5.5 mi away
- Rock Creek RoadCat 2 · 7.7 mi at 3.3% · 1,329 ft · starts 5.5 mi away
- Pine Valley RoadCat 3 · 2.2 mi at 7.4% · 869 ft · starts 5.8 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.