North Mills Avenue Climb
- long (7.5 km)
- 4.7 mi
- long (7.5 km)
- of climbing (338 m)
- 1,109 ft
- of climbing (338 m)
- average grade
- 4.5%
- average grade
- steepest 500 m
- 11.2%
- steepest 500 m
Elevation profile
From 1,312 ft at the bottom to 2,421 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 North Mills Avenue this week
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Is it safe to bike up North Mills Avenue?
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 North Mills Avenue along the climb from 2021–2025.
Common questions about North Mills Avenue
- How long and steep is the North Mills Avenue climb?
- 4.7 miles (7.5 km) at 4.5% on average, climbing 1,109 ft (338 m) from 1,312 ft to 2,421 ft. The steepest half kilometre averages 11.2%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 34.10691, -117.70714, where North Mills Avenue leaves East Foothill Boulevard, and tops out at Palmer Evey Trail at 34.16139, -117.70924.
- Is North Mills Avenue paved?
- Mostly: OpenStreetMap tags 53% of the climb as paved, and the rest as dirt or gravel.
- 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
- Padua AvenueCat 3 · 3.2 mi at 4.9% · 820 ft · starts 1.1 mi away
- Benson AvenueCat 3 · 3.9 mi at 3.2% · 666 ft · starts 2.0 mi away
- Gale TrailCat 3 · 0.8 mi at 13.4% · 538 ft · starts 2.1 mi away
- Mount Baldy RoadHC · 13 mi at 7.4% · 5,256 ft · starts 2.2 mi away
- North Mountain AvenueCat 3 · 3.7 mi at 3.3% · 653 ft · starts 3.3 mi away
- North Euclid Avenue from South Euclid Avenue near UplandCat 3 · 4.6 mi at 4.1% · 997 ft · starts 3.3 mi away
- North Euclid Avenue from South Euclid Avenue near UplandCat 3 · 3.9 mi at 3.3% · 679 ft · starts 3.3 mi away
- San Antonio AvenueCat 3 · 5.4 mi at 3.2% · 909 ft · starts 3.5 mi away
Places to ride to nearby
Bike crash hotspots 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.