Decker Road Climb
- long (10.8 km)
- 6.7 mi
- long (10.8 km)
- of climbing (531 m)
- 1,742 ft
- of climbing (531 m)
- average grade
- 4.9%
- average grade
- steepest 500 m
- 11.8%
- steepest 500 m
Elevation profile
From 105 ft at the bottom to 1,847 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 Decker Road this week
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Is it safe to bike up Decker 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: 1 bike crash was reported on or beside Decker Road along the climb from 2021–2025.
Common questions about Decker Road
- How long and steep is the Decker Road climb?
- 6.7 miles (10.8 km) at 4.9% on average, climbing 1,742 ft (531 m) from 105 ft to 1,847 ft. The steepest half kilometre averages 11.8%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 34.04151, -118.8944, where Decker Road leaves Pacific Coast Highway, and tops out on the road at 34.10618, -118.85807.
- Is Decker 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
- Encinal Canyon Road near Westlake VillageCat 3 · 3.6 mi at 5.4% · 1,020 ft · starts 0.9 mi away
- Mulholland Highway near Westlake VillageCat 2 · 5.6 mi at 4.6% · 1,345 ft · starts 2.7 mi away
- Little Sycamore Canyon RoadCat 3 · 2.9 mi at 4.9% · 751 ft · starts 3.4 mi away
- Encinal Canyon Road near Westlake VillageCat 3 · 1.8 mi at 6.3% · 610 ft · starts 3.9 mi away
- Yerba Buena RoadCat 1 · 8.0 mi at 5.4% · 2,251 ft · starts 4.0 mi away
- Zuma Ridge TrailCat 1 · dirt · 5.3 mi at 8.4% · 2,359 ft · starts 4.6 mi away
- Deer Creek Road from Pacific Coast HighwayCat 2 · 3.9 mi at 7.4% · 1,535 ft · starts 5.4 mi away
- Kanan Dume RoadCat 2 · 4.2 mi at 6.6% · 1,473 ft · starts 5.4 mi away
Places to ride to 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.