Westlake Boulevard Climb
- long (5.4 km)
- 3.3 mi
- long (5.4 km)
- of climbing (284 m)
- 932 ft
- of climbing (284 m)
- average grade
- 5.3%
- average grade
- steepest 500 m
- 11.3%
- steepest 500 m
Elevation profile
From 915 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 Westlake Boulevard this week
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Is it safe to bike up Westlake Boulevard?
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: 2 bike crashes were reported on or beside Westlake Boulevard along the climb from 2021–2025, 2 of them serious or fatal.
Common questions about Westlake Boulevard
- How long and steep is the Westlake Boulevard climb?
- 3.3 miles (5.4 km) at 5.3% on average, climbing 932 ft (284 m) from 915 ft to 1,847 ft. The steepest half kilometre averages 11.3%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 34.1434, -118.84892, where Westlake Boulevard leaves South Westlake Boulevard, and tops out on the road at 34.10618, -118.85807.
- Is Westlake Boulevard 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 · 1.8 mi at 6.3% · 610 ft · starts 3.9 mi away
- Little Sycamore Canyon RoadCat 3 · 2.9 mi at 4.9% · 751 ft · starts 4.2 mi away
- Kanan RoadCat 3 · 2.6 mi at 6.8% · 935 ft · starts 4.2 mi away
- South Ventu Park RoadCat 3 · 1.6 mi at 7.2% · 594 ft · starts 4.4 mi away
- Mulholland Highway from Waring DriveCat 2 · 5.9 mi at 4% · 1,250 ft · starts 4.5 mi away
- West Potrero Road from South Reino RoadCat 3 · 1.8 mi at 5.5% · 535 ft · starts 6.3 mi away
- Encinal Canyon Road near Westlake VillageCat 3 · 3.6 mi at 5.4% · 1,020 ft · starts 7.1 mi away
- Mulholland Highway near Westlake VillageCat 2 · 5.6 mi at 4.6% · 1,345 ft · starts 7.3 mi away
Places to ride to nearby
Bike crash hotspots 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.