Powerline Road Climb from Maple Creek Road
- long (8.6 km)
- 5.4 mi
- long (8.6 km)
- of climbing (510 m)
- 1,673 ft
- of climbing (510 m)
- average grade
- 5.9%
- average grade
- steepest 500 m
- 16.7%
- steepest 500 m
Elevation profile
From 646 ft at the bottom to 2,320 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 Powerline Road this week
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Is it safe to bike up Powerline 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 Powerline Road
- How long and steep is the Powerline Road from Maple Creek Road climb?
- 5.4 miles (8.6 km) at 5.9% on average, climbing 1,673 ft (510 m) from 646 ft to 2,320 ft. The steepest half kilometre averages 16.7%. That makes it a Category 2 climb.
- Where does the climb start and finish?
- It starts at 40.76789, -123.87582, where Powerline Road leaves Maple Creek Road, and ends where the road ends at 40.73893, -123.81128.
- Is Powerline 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
- Butler Valley RoadCat 2 · 7.8 mi at 4.6% · 1,900 ft · starts 0.7 mi away
- Maple Creek Road near Blue LakeCat 3 · 2.9 mi at 4.5% · 692 ft · starts 0.9 mi away
- Ward RoadCat 1 · 5.4 mi at 8.5% · 2,411 ft · starts 4.0 mi away
- Fickle Hill Road near ArcataCat 3 · 1.4 mi at 7.3% · 535 ft · starts 4.7 mi away
- Maple Creek Road near Blue LakeCat 3 · 3.3 mi at 3.3% · 568 ft · starts 5.5 mi away
- Kneeland Road near ArcataCat 2 · 3.3 mi at 7.7% · 1,332 ft · starts 5.8 mi away
- Kneeland Road near ArcataCat 3 · 2.1 mi at 6.6% · 745 ft · starts 5.8 mi away
- Cross Creek RoadCat 3 · 1.6 mi at 8.8% · 732 ft · starts 6.5 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.