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Mt. Wilson Toll Road

Intermediate/Difficult

Trail

9.1 mile 14.7 kilometer point to point
Doubletrack
Intermediate/Difficult

Elevation

Ascent: 4,405' 1,343 m
Descent: -87' -26 m
High: 5,647' 1,721 m
Low: 1,256' 383 m

Grade

Avg Grade: 9% (5°)
Max Grade: 21% (12°)

Dogs

Leashed
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Map Key

Trail shared by Chris W with improvements by Doug E

A long and steady grind up Mt. Wilson.

Chris W

Electric Mountain Bikes Unknown

Features -none-

Family Friendly Wide easy trail with minimal exposure. It is a bit steep so does require low gearing and/or strong legs.

Description

This is a long fire road climb up to the top of Mt. Wilson. It just keeps going and going. The grade is pretty consistently around 10%. From the bottom up to Henninger Flats is about 2.5 miles of wide open fire road with no shade. When you reach Henninger Flats, you'll find some large trees, picnic tables, a water fountain, and the Henninger Flats Museum.

As you continue up, you'll find a split in the fire road. Keep right and climb. Near the top, you'll find a bit more shade in spots. The view is fantastic on a clear day as you come around to the south side of the ridge and climb the final section to the top.

At about 7.5 miles, you'll intersect with the Mt. Wilson Trail. Keep left and rejoin onto the Mt. Wilson Toll Road in about 0.5 mile.

There is a great lookout at the top. Be sure to check out the Mt. Wilson Observatory if you have time.

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Check-Ins

Mar 23, 2019
Ben Schmitt
8mi — 1h 00m
Dec 27, 2018
John Gump
rode up to henniger flats, should go back and go all the way up to Wilson. 5mi
Jun 23, 2018
Ganegoda Perera
Oct 12, 2017
Luis Perez
5000ft climb with views of Los Angeles county 7mi
Sep 1, 2017
Oscar Mendoza
Jul 8, 2017
Alex Hatem
Feb 27, 2016
Kyle Chin
Jan 14, 2016
Mike Obermeyer
It hailed and rained a little at the top. I was glad that I had a hat and some winter gloves in my backpack for the ride down. the cosmic cafe had ... — 5h 12m

Trail Ratings

  4.1 from 20 votes

#844

Overall
  4.1 from 20 votes
5 Star
45%
4 Star
25%
3 Star
20%
2 Star
10%
1 Star
0%
Trail Rankings

#62

in California

#844

Overall
190 Views Last Month
13,875 Since Apr 16, 2014
Intermediate/Difficult

6%
0%
19%
0%
69%
6%

Photos

Drifting the dusty corners during sunset.
Sep 14, 2016 near Altadena, CA
Snow.
Jan 12, 2016 near Sierra…, CA
Local flora.
Dec 8, 2014 near Sierra…, CA
Mt. Wilson Toll Road Downhill.
Sep 1, 2015 near Sierra…, CA
Henninger Flats Sign
Jun 22, 2015 near Altadena, CA
Henninger Flats, about 3 miles into the 9 mile ride, is a great place to stop for a rest.
Nov 16, 2015 near Altadena, CA

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