Roscomare Road Climb
- long (3.5 km)
- 2.2 mi
- long (3.5 km)
- of climbing (205 m)
- 673 ft
- of climbing (205 m)
- average grade
- 5.9%
- average grade
- steepest 500 m
- 11.3%
- steepest 500 m
Elevation profile
From 702 ft at the bottom to 1,375 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 Roscomare Road this week
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Is it safe to bike up Roscomare 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. The records here are also incomplete: most reports along it are filed under Los Angeles, where only 3% of reported bike crashes have a map location, so the numbers here are too low. What the records show: no bike crashes were reported along the climb from 2021–2025.
Common questions about Roscomare Road
- How long and steep is the Roscomare Road climb?
- 2.2 miles (3.5 km) at 5.9% on average, climbing 673 ft (205 m) from 702 ft to 1,375 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 34.08755, -118.46015, where Roscomare Road leaves Chalon Road, and tops out at Donella Circle at 34.1175, -118.46399.
- Is Roscomare 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
- Stradella RoadCat 3 · 2.7 mi at 4.3% · 604 ft · starts 0.5 mi away
- Stone Canyon RoadCat 3 · 2.5 mi at 4.5% · 604 ft · starts 1.2 mi away
- Bel Air RoadCat 3 · 1.5 mi at 7.1% · 571 ft · starts 1.5 mi away
- North Beverly Glen BoulevardCat 3 · 3.4 mi at 4.6% · 820 ft · starts 1.5 mi away
- Angelo DriveCat 3 · 1.6 mi at 6.8% · 568 ft · starts 2.0 mi away
- Tower Grove DriveCat 3 · 1.2 mi at 9% · 564 ft · starts 2.1 mi away
- North Tigertail RoadCat 3 · 2.1 mi at 6.8% · 738 ft · starts 2.2 mi away
- North Kenter AvenueCat 3 · 2.6 mi at 5.8% · 791 ft · starts 2.3 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.