2 miles
Distance
177 ft
Climb
-915 ft
Descent
00:14:26
Avg time
Trail Supporters, Builders & Maintainers of El Prieto Trail

El Prieto Trail Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Brown Mountain
    Altadena, California
  • AKA
    El Prieto
  • Difficulty Rating
  • Voted Difficulty
    Black Diamond (1 vote)
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Trail Usage
    Multi-use
  • Direction
    Both Directions
    Popular direction shown
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes
  • eBike Allowed
  • TTFs on Trail
    Drop, Skinny
  • Global Ranking
    #875 in Mountain Biking
  • Local Popularity
    100 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking

El Prieto is definitely one of the best single track experiences in Southern California. Extreme exposure, tight switch backs, fun turns, stream crossings, and rock gardens all within a ~2 mile descent through a oak lined canyon. This is classic mountain biking with a challenge for everyone.

Beginning riders may walk many of the technical sections but the trail is definitely rideable from beginning to end by experienced riders. Beware of poison oak along this trail as its pretty much around all year.

El Prieto is generally accessed by climbing up Brown Mountain to the first saddle and then descending the Fern Truck Trail to the upper El Prieto entrance. As you ascend Brown, you will see the downhill exit of El Prieto at the log. Do be aware that plenty of hikers visit El Prieto and using a bell is highly advised, especially on weekends.

Access Info

Park at the parking lot overlooking JPL or in the upper neighborhoods if you’re leery of your car getting broken into during less crowded hours.

Local Trail Association
More Stats for El Prieto Trail bike trail
  • Altitude change
    -738 ft
  • Altitude min
    1,294 ft
  • Altitude max
    2,032 ft
  • Altitude start
    2,032 ft
  • Altitude end
    1,294 ft
  • Grade max
    -48.772%
  • Grade min
    20.06%
  • Distance climb
    2,254 ft
  • Distance down
    1 miles
  • Distance flat
    318 ft
  • Avg time
    00:14:26
  • Avg reverse time
    00:23:07
  • view trail stats
Status:
on Jul 27, 2019
Dry
Avg: 4.7 (18 votes)

view (2,223)
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Trail Conditions
  • Unknown
  • Snow Groomed
  • 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 Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
ContributeDetails
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular

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

  • 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 Groomed
  • 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
  • Table or Bench eBike Charging Point
  • Other Other
      Directions to el-prieto-trail trailhead (34.220300, -118.155160)
      update trails status or condition

      El Prieto Trail Trail Reports

      statusdatedescription
      Jul 27, 2019 @ 7:01am
      Jul 27, 2019
      Jul 1, 2019 @ 4:30pm
      Jul 1, 2019
      The trail is overgrown in spots, and there is poison oak infringing on parts of the trail. The dirt is loose and dry.
      Jun 20, 2019 @ 7:06pm
      Jun 20, 2019
      A bit overgrown, but still pretty fun
      Apr 7, 2019 @ 8:42am
      Apr 7, 2019
      Thanks to MWBA the trail is in great shape. Poison oak is starting to flourish
      Apr 6, 2019 @ 9:27am
      Apr 6, 2019
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 20 rides
      • 10 miles avg distance
      6 Months
      • 445 rides
      • 12 miles avg distance
      All
      • 2,709 rides
      •  

      Photos

      more »
      10 |
      Jul 27, 2019 @ 2:52pm
      Jul 27, 2019
      13 |
      May 29, 2019 @ 4:11pm
      May 29, 2019
      18 |
      May 29, 2019 @ 4:11pm
      May 29, 2019
      15 |
      May 15, 2019 @ 10:44pm
      May 15, 2019

      Routes with this trail

      titleratingdistance
      Mt Lowe, Sam Merril, sunset, EP
      13 miles
      Eaton Saddle Shuttle w/ El Prieto
      13 miles

      2 Reviews & Comments

      • + 0
      flag llindsey (Nov 4, 2017 at 7:27)
       Rode El P 4 times last weekend and was terrific. Parts of lower trail are were sandy due to lack of moisture. Enjoy.
      [Reply]
      • + 0
      flag lco007 (Aug 1, 2019 at 9:40)
       August 1,2019

      Trail has somewhat been cleared from overgrowth

      Still dry and a lot of patches of sand

      ebikes enforcement nonexistent
      [Reply]

      Post a Comment



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      Videos

      more »
      youtuber El Prieto Trail - Mt. Wilson - Altadena, CA
      10:25 | 329 | Oct 8, 2018 , Altadena
      youtuber Mountain biking El Prieto Trail in the rain,...
      553 | Jun 27, 2016 , Altadena
      dusty crash onto face
      0:48 | 134 | Jul 10, 2019 , Altadena
      Couldn't hang on
      0:48 | | Jul 9, 2019 , Altadena
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