Penon Blanco Road Climb from Lozano Road
- long (8.7 km)
- 5.4 mi
- long (8.7 km)
- of climbing (358 m)
- 1,175 ft
- of climbing (358 m)
- average grade
- 4.1%
- average grade
- steepest 500 m
- 12.3%
- steepest 500 m
Elevation profile
From 1,129 ft at the bottom to 2,303 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 Penon Blanco Road this week
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Is it safe to bike up Penon Blanco 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: no bike crashes were reported along the climb from 2021–2025.
Common questions about Penon Blanco Road
- How long and steep is the Penon Blanco Road from Lozano Road climb?
- 5.4 miles (8.7 km) at 4.1% on average, climbing 1,175 ft (358 m) from 1,129 ft to 2,303 ft. The steepest half kilometre averages 12.3%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 37.71841, -120.33685, where Penon Blanco Road leaves Lozano Road, and tops out at Penon Blanco Lookout Road at 37.7269, -120.24721.
- Is Penon Blanco 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
- Piney Creek RoadCat 3 · 2.2 mi at 4.5% · 528 ft · starts 2.0 mi away
- Marshes Flat Road from Sunset Oaks LaneCat 3 · 4.5 mi at 4.3% · 1,020 ft · starts 2.1 mi away
- Moccasin Ranch RoadCat 2 · 3.6 mi at 7.6% · 1,444 ft · starts 3.2 mi away
- Jones Road near SonoraCat 3 · 0.8 mi at 13.8% · 584 ft · starts 3.5 mi away
- Penon Blanco Lookout RoadCat 3 · 1.6 mi at 6.5% · 554 ft · starts 4.9 mi away
- Jones Road near SonoraCat 3 · 1.1 mi at 9.9% · 600 ft · starts 5.0 mi away
- Penon Blanco Road from Blacks Creek RoadCat 3 · 2.0 mi at 7.2% · 761 ft · starts 5.2 mi away
- Villarreal DriveCat 3 · 1.5 mi at 7.1% · 577 ft · starts 5.6 mi away
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.