Bald Hills Road Climb from Martins Ferry Bridge
- long (18.0 km)
- 11 mi
- long (18.0 km)
- of climbing (873 m)
- 2,864 ft
- of climbing (873 m)
- average grade
- 4.9%
- average grade
- steepest 500 m
- 10.8%
- steepest 500 m
Elevation profile
From 302 ft at the bottom to 3,166 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 Bald Hills Road this week
Loading forecast…
Is it safe to bike up Bald Hills 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 Bald Hills Road
- How long and steep is the Bald Hills Road from Martins Ferry Bridge climb?
- 11 miles (18.0 km) at 4.9% on average, climbing 2,864 ft (873 m) from 302 ft to 3,166 ft. The steepest half kilometre averages 10.8%. That makes it a Hors catégorie climb.
- Where does the climb start and finish?
- It starts at 41.20703, -123.75814, where Bald Hills Road leaves Martins Ferry Bridge, and tops out on the road at 41.14674, -123.83367.
- Is Bald Hills 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
- Mitchell RoadCat 3 · 1.0 mi at 13% · 692 ft · starts 0.5 mi away
- Cappell RoadCat 3 · 2.8 mi at 3.7% · 554 ft · starts 2.3 mi away
- Iron Gate RoadCat 3 · 1.3 mi at 9.8% · 696 ft · starts 2.8 mi away
- Lake Prairie RoadCat 2 · 1.1 mi at 21.4% · 1,266 ft · starts 2.8 mi away
- Deerhorn RoadCat 1 · dirt · 5.4 mi at 8.4% · 2,395 ft · starts 4.0 mi away
- Bloody Camp Road near TrinidadCat 2 · 7.8 mi at 3.9% · 1,588 ft · starts 4.4 mi away
- French Camp Road near TrinidadCat 1 · 4.6 mi at 9.4% · 2,270 ft · starts 4.4 mi away
- Ross Ranch RoadCat 2 · 3.4 mi at 10.6% · 1,909 ft · starts 4.6 mi away
Found from OpenStreetMap roads and USGS 3DEP elevation; ranked on shape only. Hors catégorie: 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.