Lyons Valley Road Climb from State Route 94
- long (6.7 km)
- 4.2 mi
- long (6.7 km)
- of climbing (284 m)
- 932 ft
- of climbing (284 m)
- average grade
- 4.2%
- average grade
- steepest 500 m
- 7.3%
- steepest 500 m
Elevation profile
From 899 ft at the bottom to 1,831 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 Lyons Valley Road this week
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Is it safe to bike up Lyons Valley 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: 1 bike crash was reported on or beside Lyons Valley Road along the climb from 2021–2025, 1 of them serious or fatal (1 fatal).
Common questions about Lyons Valley Road
- How long and steep is the Lyons Valley Road from State Route 94 climb?
- 4.2 miles (6.7 km) at 4.2% on average, climbing 932 ft (284 m) from 899 ft to 1,831 ft. The steepest half kilometre averages 7.3%. That makes it a Category 3 climb.
- Where does the climb start and finish?
- It starts at 32.71994, -116.88026, where Lyons Valley Road leaves State Route 94, and tops out on the road at 32.72928, -116.82562.
- Is Lyons Valley 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
- Alta Loma DriveCat 3 · 1.3 mi at 12.6% · 883 ft · starts 1.0 mi away
- Skyline Truck TrailCat 2 · 5.4 mi at 5% · 1,430 ft · starts 1.6 mi away
- Jamul DriveCat 3 · 3.0 mi at 4.1% · 653 ft · starts 2.3 mi away
- Isla Vista RoadCat 3 · 1.1 mi at 8.8% · 528 ft · starts 2.7 mi away
- Miller Ranch Road from Millar Anita LaneCat 2 · 3.1 mi at 10.1% · 1,654 ft · starts 2.9 mi away
- Millar Ranch RoadCat 3 · 1.2 mi at 8.5% · 554 ft · starts 3.5 mi away
- State Route 94 from Campo RoadCat 3 · 4.6 mi at 3% · 728 ft · starts 3.6 mi away
- Dehesa RoadCat 3 · 5.6 mi at 3.6% · 1,047 ft · starts 4.6 mi away
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.