Green Valley Road Climb near Morro Bay
- long (6.9 km)
- 4.3 mi
- long (6.9 km)
- of climbing (420 m)
- 1,378 ft
- of climbing (420 m)
- average grade
- 6%
- average grade
- steepest 500 m
- 20.2%
- steepest 500 m
Elevation profile
From 548 ft at the bottom to 1,926 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 Green Valley Road this week
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Is it safe to bike up Green Valley 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: 3 bike crashes were reported on or beside Green Valley 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, 3 were coming down and 0 going up.
Common questions about Green Valley Road
- How long and steep is the Green Valley Road near Morro Bay climb?
- 4.3 miles (6.9 km) at 6% on average, climbing 1,378 ft (420 m) from 548 ft to 1,926 ft. The steepest half kilometre averages 20.2%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 35.54334, -120.96444, and tops out on the road at 35.54038, -120.8939.
- Is Green Valley 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
- Arroyo del MarCat 3 · 1.2 mi at 10.4% · 656 ft · starts 2.1 mi away
- Monte Cristo PlaceCat 3 · 2.3 mi at 4.4% · 525 ft · starts 5.0 mi away
- Santa Rosa Creek RoadCat 3 · 2.9 mi at 3.5% · 535 ft · starts 5.5 mi away
- Green Valley Road near AtascaderoCat 3 · 1.9 mi at 6.5% · 666 ft · starts 5.8 mi away
- Stepladder Road near Morro BayCat 3 · 1.2 mi at 10% · 614 ft · starts 6.9 mi away
- Stepladder Road from San Simeon Creek RoadCat 2 · 2.4 mi at 10.3% · 1,329 ft · starts 7.6 mi away
- Old Creek RoadCat 2 · 3.4 mi at 6.4% · 1,148 ft · starts 7.8 mi away
- Sibley LaneCat 3 · 1.3 mi at 9.6% · 636 ft · starts 8.0 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.