Dixie Canyon-Round Valley-Long Road Climb
- long (2.8 km)
- 1.7 mi
- long (2.8 km)
- of climbing (311 m)
- 1,020 ft
- of climbing (311 m)
- average grade
- 11.3%
- average grade
- steepest 500 m
- 13.5%
- steepest 500 m
Elevation profile
From 3,510 ft at the bottom to 4,531 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 Dixie Canyon-Round Valley-Long Road this week
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Is it safe to bike up Dixie Canyon-Round Valley-Long 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 Dixie Canyon-Round Valley-Long Road
- How long and steep is the Dixie Canyon-Round Valley-Long Road climb?
- 1.7 miles (2.8 km) at 11.3% on average, climbing 1,020 ft (311 m) from 3,510 ft to 4,531 ft. The steepest half kilometre averages 13.5%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 40.07651, -120.9371, and tops out at Round Valley Road at 40.0997, -120.94173.
- Is Dixie Canyon-Round Valley-Long 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
- Round Valley Road from Hideaway RoadCat 3 · 3.5 mi at 4.9% · 902 ft · starts 4.0 mi away
- Standart Mine RoadCat 3 · 1.6 mi at 12.3% · 1,014 ft · starts 4.2 mi away
- Butterfly Valley Twain Road from State Highway 70Cat 3 · 2.7 mi at 5.9% · 843 ft · starts 5.0 mi away
- China Grade Road from Arlington RoadCat 1 · dirt · 5.2 mi at 8.7% · 2,379 ft · starts 5.0 mi away
- Butterfly Valley Twain RoadCat 2 · 3.2 mi at 6.9% · 1,165 ft · starts 6.5 mi away
- Old Haun Road from Greenville Wolf Creek RoadCat 3 · 2.4 mi at 6.4% · 810 ft · starts 6.7 mi away
- Beardsley-GradeCat 2 · 2.9 mi at 10% · 1,549 ft · starts 7.5 mi away
- Mount Hough RoadHC · dirt · 9.5 mi at 7.1% · 3,547 ft · starts 8.0 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.