Rollins Lake Road Climb
- long (4.8 km)
- 3.0 mi
- long (4.8 km)
- of climbing (261 m)
- 856 ft
- of climbing (261 m)
- average grade
- 5.4%
- average grade
- steepest 500 m
- 8.1%
- steepest 500 m
Elevation profile
From 2,175 ft at the bottom to 3,031 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 Rollins Lake Road this week
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Is it safe to bike up Rollins Lake 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 Rollins Lake Road
- How long and steep is the Rollins Lake Road climb?
- 3.0 miles (4.8 km) at 5.4% on average, climbing 856 ft (261 m) from 2,175 ft to 3,031 ft. The steepest half kilometre averages 8.1%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 39.13319, -120.94198, where Rollins Lake Road leaves Glen Elder Road, and tops out at Magra Road at 39.14718, -120.9079.
- Is Rollins Lake 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
- Norton Grade RoadCat 3 · 3.0 mi at 5.1% · 810 ft · starts 0.3 mi away
- You Bet Road near ColfaxCat 3 · 3.6 mi at 3.5% · 666 ft · starts 1.7 mi away
- Iowa Hill Road near ColfaxHC · 11 mi at 4.7% · 2,717 ft · starts 2.5 mi away
- Iowa Hill Road near ColfaxCat 2 · 2.9 mi at 7.7% · 1,194 ft · starts 2.5 mi away
- Ben Taylor RoadCat 3 · 2.0 mi at 6.2% · 650 ft · starts 2.7 mi away
- You Bet Road from Hansen Gravel Road near Grass ValleyCat 3 · 1.9 mi at 6.8% · 666 ft · starts 3.8 mi away
- You Bet Road from Hansen Gravel Road near Grass ValleyCat 3 · 1.7 mi at 6.4% · 564 ft · starts 3.8 mi away
- Chicago Park Powerhouse Road near ColfaxCat 3 · 3.2 mi at 4.1% · 705 ft · starts 3.9 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.