Old Three Creeks Road Climb
- long (7.2 km)
- 4.4 mi
- long (7.2 km)
- of climbing (454 m)
- 1,490 ft
- of climbing (454 m)
- average grade
- 6.3%
- average grade
- steepest 500 m
- 14.3%
- steepest 500 m
Elevation profile
From 2,474 ft at the bottom to 3,963 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 Old Three Creeks Road this week
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Is it safe to bike up Old Three Creeks 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 Old Three Creeks Road
- How long and steep is the Old Three Creeks Road climb?
- 4.4 miles (7.2 km) at 6.3% on average, climbing 1,490 ft (454 m) from 2,474 ft to 3,963 ft. The steepest half kilometre averages 14.3%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 40.90976, -123.78575, where Old Three Creeks Road leaves Trinity Highway, and tops out at Old Three Creek Road at 40.9537, -123.75646.
- Is Old Three Creeks Road paved?
- Mostly: OpenStreetMap tags 65% of the climb as paved, and the rest as dirt or gravel.
- 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
- Saber Tooth Road near Blue LakeCat 3 · 1.5 mi at 11.5% · 892 ft · starts 1.2 mi away
- Trinity Highway near Blue LakeCat 2 · 4.4 mi at 5.5% · 1,296 ft · starts 1.3 mi away
- Trinity Highway near Blue LakeCat 2 · 6.4 mi at 5.4% · 1,827 ft · starts 1.3 mi away
- Titlow Hill RoadCat 2 · 4.4 mi at 8.2% · 1,886 ft · starts 1.4 mi away
- Old California State Route 299 from Chezum Road near Blue LakeCat 3 · 1.6 mi at 7.1% · 587 ft · starts 1.4 mi away
- Old California State Route 299 from Chezum Road near Blue LakeCat 2 · 5.2 mi at 5.8% · 1,575 ft · starts 1.4 mi away
- Saber Tooth Road near Blue LakeCat 3 · 1.3 mi at 9.5% · 669 ft · starts 1.5 mi away
- Berg RoadCat 2 · 1.9 mi at 11.6% · 1,148 ft · starts 1.6 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.