34 miles
Distance
9,544 ft
Climb
-9,544 ft
Descent
1 miles
High Point

This ride was done by Bart

Starting and finishing at the same point, this is a perfect loop to get your legs and lungs for base mileage, and to prepare you for even more demanding rides later in the season. After a brief paved road section you'll be climbing Monroe Truck trail, then make a left on Rincon Red box that will take you to Mt. Wilson Observatory and the beginning of Mt. Wilson Shuttle Ride!

Local Trail Association
Mount Wilson Bicycling Association (mwba.org)
Please consider joining or donating to the local riding association to support trail development & maintenance.
donate to earn trail karma!

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Details

  • Riding area
  • Difficulty rating
    Black Diamond
  • Route Type
    Loop
  • Bike type
    AM
  • Direction
    One Direction
  • Physical rating
    Hard
More Stats for Monrovia Truck Trai- Firebird-Mt Wilson mountain bike route
  • Altitude min
    503 ft
  • Altitude start
    934 ft
  • Altitude end
    934 ft
  • Grade max
    -102.65%
  • Grade min
    85.838%
  • Distance climb
    18 miles
  • Distance down
    15 miles
  • Distance flat
    1 miles
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Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Trail Ridden Direction

Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.

  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Ridden Direction

The intendid direction a trail should be ridden.

  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed or Major Issue / Red

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Other Other
Trail transparency
M E M O R I E S
M E M O R I E S
4:54 | 31 | comments: 0 | favs:
Nov 25, 2018
Through moments and time, I have created precious memories. One day We'll be gone, why not to fulfill life with simple great moments. When the...
#POLAROIDXS80 Jpl 2014—15 top half with some...
#POLAROIDXS80 Jpl 2014—15 top half with some PB riders and L. A. Crew part 1
20:48 | 117 | comments: 1 | favs: 1
Oct 4, 2015
A top half of this spring and a touch of last winter in some cool Fog with my Canadian buds from pinkbike and and another PB buddy on the winter...

Recent Trail Reports Along Route

traildateconditiondescription
Rim Trail
Aug 20, 2018 @ 11:50am
Aug 20, 2018
The top section from the observatory is stupidly loose and soft, like riding in sand. I don't know about the rest - rode the first few hundred meters before abandoning and riding Sturtevant. Avoid.
more reports »
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