South Gate Road Climb
- long (10.7 km)
- 6.7 mi
- long (10.7 km)
- of climbing (481 m)
- 1,578 ft
- of climbing (481 m)
- average grade
- 4.5%
- average grade
- steepest 500 m
- 7.2%
- steepest 500 m
Elevation profile
From 587 ft at the bottom to 2,165 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 South Gate Road this week
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Is it safe to bike up South Gate 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: 6 bike crashes were reported on or beside South Gate Road along the climb from 2021–2025, 3 of them serious or fatal. Of the 3 where the cyclist's direction along the climb can be read, 0 were coming down and 3 going up.
Common questions about South Gate Road
- How long and steep is the South Gate Road climb?
- 6.7 miles (10.7 km) at 4.5% on average, climbing 1,578 ft (481 m) from 587 ft to 2,165 ft. The steepest half kilometre averages 7.2%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 37.83475, -121.95168, and tops out at North Gate Road at 37.86672, -121.93226.
- Is South Gate 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
- Summit Road from North Gate RoadCat 2 · 4.4 mi at 7% · 1,647 ft · starts 2.5 mi away
- Burma Road from Stage RoadCat 1 · dirt · 4.3 mi at 9.2% · 2,103 ft · starts 2.8 mi away
- Montair DriveCat 3 · 1.4 mi at 8.1% · 604 ft · starts 3.2 mi away
- Rocky Ridge ViewCat 3 · 0.8 mi at 15.5% · 682 ft · starts 5.5 mi away
- Morgan Territory Road near ClaytonCat 2 · 8.9 mi at 3.1% · 1,453 ft · starts 6.1 mi away
- North Gate RoadCat 2 · 7.7 mi at 4.9% · 1,965 ft · starts 6.1 mi away
- Royal Oaks DriveCat 3 · 1.0 mi at 13.8% · 715 ft · starts 7.4 mi away
- Hunsaker Canyon RoadCat 3 · 1.5 mi at 7.2% · 571 ft · starts 7.5 mi away
Places to ride to nearby
Bike crash hotspots nearby
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.