Topanga Canyon Boulevard Climb from Calvert Street
- long (6.2 km)
- 3.9 mi
- long (6.2 km)
- of climbing (203 m)
- 666 ft
- of climbing (203 m)
- average grade
- 3.3%
- average grade
- steepest 500 m
- 6%
- steepest 500 m
Elevation profile
From 830 ft at the bottom to 1,496 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 Topanga Canyon Boulevard this week
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Is it safe to bike up Topanga Canyon 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: no bike crashes were reported along the climb from 2021–2025.
Common questions about Topanga Canyon Boulevard
- How long and steep is the Topanga Canyon Boulevard from Calvert Street climb?
- 3.9 miles (6.2 km) at 3.3% on average, climbing 666 ft (203 m) from 830 ft to 1,496 ft. The steepest half kilometre averages 6%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 34.18083, -118.60596, where Topanga Canyon Boulevard leaves Calvert Street, and tops out at Top of Topanga Overlook at 34.13927, -118.60148.
- Is Topanga Canyon 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
- Winnetka AvenueCat 3 · 2.5 mi at 5.1% · 666 ft · starts 2.0 mi away
- Adamsville AvenueCat 3 · 1.0 mi at 10.9% · 545 ft · starts 3.1 mi away
- Reseda Boulevard from Mecca Avenue / Reseda BoulevardCat 3 · 2.7 mi at 5.7% · 814 ft · starts 4.1 mi away
- Woolsey Canyon RoadCat 3 · 2.4 mi at 7.9% · 1,007 ft · starts 4.3 mi away
- Box Canyon RoadCat 3 · 2.0 mi at 7.2% · 771 ft · starts 4.4 mi away
- Alonzo AvenueCat 3 · 1.8 mi at 6.5% · 630 ft · starts 5.1 mi away
- Mason AvenueCat 3 · 2.5 mi at 5.1% · 673 ft · starts 5.2 mi away
- Browns Canyon RoadCat 2 · 6.0 mi at 4.2% · 1,312 ft · starts 5.3 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.