Limantour Road Climb from Limantour Spit Road
- long (2.7 km)
- 1.7 mi
- long (2.7 km)
- of climbing (202 m)
- 663 ft
- of climbing (202 m)
- average grade
- 7.5%
- average grade
- steepest 500 m
- 14%
- steepest 500 m
Elevation profile
From 177 ft at the bottom to 840 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 Limantour Road this week
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Is it safe to bike up Limantour 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 Limantour Road
- How long and steep is the Limantour Road from Limantour Spit Road climb?
- 1.7 miles (2.7 km) at 7.5% on average, climbing 663 ft (202 m) from 177 ft to 840 ft. The steepest half kilometre averages 14%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 38.04563, -122.86696, where Limantour Road leaves Limantour Spit Road, and tops out on the road at 38.05986, -122.84698.
- Is Limantour 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
- Drakes View DriveCat 3 · 1.3 mi at 9.4% · 663 ft · starts 2.7 mi away
- Limantour Road near FairfaxCat 3 · 3.4 mi at 4.4% · 787 ft · starts 3.4 mi away
- Vision RoadCat 3 · 1.7 mi at 10% · 912 ft · starts 4.0 mi away
- Mount Vision RoadCat 2 · 4.3 mi at 5.3% · 1,198 ft · starts 4.5 mi away
- Marshall-Petaluma Road from Shoreline HighwayCat 3 · 2.9 mi at 4.8% · 728 ft · starts 8.2 mi away
- Pierce Point RoadCat 3 · 2.6 mi at 4.4% · 604 ft · starts 8.3 mi away
- Marshall-Petaluma Road near PetalumaCat 3 · 2.9 mi at 3.6% · 564 ft · starts 9.0 mi away
- Fairfax-Bolinas Road from Shoreline HighwayCat 2 · 4.4 mi at 6.5% · 1,496 ft · starts 12 mi away
Places to ride to nearby
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.