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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (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%
  • bi-directional trail
  • no data
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
Contribute Details
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
ATV/ORV/OHV Filter
Max Vehicle Width
inches

Radar Time
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
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      The Northwest region (Mammoth-Gallatin region) is a land of extremes. Elevations within the Mammoth area range from about 5,000 to 11,000 feet, with the lowest (in the park) near the Yellowstone River and the highest at Electric Peak, just miles away. The Gallatin Range, which sticks it thumb into Yellowstone for 20 miles from the north, includes about 19 peaks. Of these. Electric Peak (10,992 feet) dominates the northern end, and Mount Holmes (10,336 feet) marks the southern end.

      The Gallatin Mountains are an uplifted range composed of stratified shales, limestones and sandstones dipping slightly northward. The composition of these limestones and the presence of oceanic fossils testifies that they once were part of large inland seas. Rugosa-or horn-corals, bryozoans and clam-shaped fossils are embedded on the slopes of these mountains.

      The influence of limestone in the Mammoth area also has changed the makeup of the hydrothermal features. Elsewhere in the park, the surrounding rock is composed of silica dioxide, an essential element in the formation of geysers. But, here, the presence of calcium carbonate produces the unusual travertine terraces of Mammoth.
      Blacktail Deer Creek Trailhead google parking directions
      Links
      Activities Click to view
      Region Details
      • 28
      • 3
      • 4

      Region Status
      Caution as of Jul 30, 2021

      Stats

      Trails (view details)
      110
      Trails Mountain Bike
      37
      Trails E-Bike
      21
      Trails Hike
      124
      Trails Trail Running
      121
      Trails Horse
      29
      Trails Dirtbike/Moto
      17
      Trails Observed Trials
      17
      Trails ATV/ORV/OHV
      17
      Trails Snowshoe
      1
      Total Distance
      290 miles
      Total Descent Distance
      134 miles
      Total Descent
      44,895 ft
      Total Vertical
      5,493 ft
      Highest Trailhead
      10,771 ft
      Reports
      17
      Photos
      7
      Ridden Counter
      531

      Photos of Yellowstone - Northwest Region Mountain Bike

      3 |
      Jul 10, 2021 @ 6:05pm
      Jul 10, 2021
      2 |
      Jul 10, 2021 @ 6:04pm
      Jul 10, 2021
      1 |
      Jul 10, 2021 @ 6:04pm
      Jul 10, 2021
      1 |
      Jul 10, 2021 @ 6:04pm
      Jul 10, 2021
      7 |
      Jul 10, 2021 @ 6:04pm
      Jul 10, 2021
      9 |
      Jun 6, 2021 @ 9:05pm
      Jun 6, 2021
      9 |
      Jun 6, 2021 @ 9:05pm
      Jun 6, 2021

      Recent Trail Reports

      statustraildateconditionuserinfo
      Grand Loop Road
      May 9, 2021 @ 12:24pm
      May 9, 2021
      IdealjeshbarlowHike Paved
      Grand Loop Road
      May 9, 2021 @ 12:24pm
      May 9, 2021
      IdealjeshbarlowHike Paved
      Osprey Falls Trail
      May 1, 2021 @ 11:45am
      May 1, 2021
      DrymarkeggeGood condition on May 1. Mostly dry.
      Old Bunsen Peak Road
      May 1, 2021 @ 11:45am
      May 1, 2021
      Prevalent MudmarkeggeLots of snow and mud. Give it another 2...
      Old Gardiner Road
      Sep 23, 2020 @ 4:55pm
      Sep 23, 2020
      Very DryboneshakerbikePerfect
      Yak Campground Rd
      Jun 20, 2020 @ 10:52am
      Jun 20, 2020
      Idealboneshakerbike
      YCC Trail
      Jun 20, 2020 @ 10:52am
      Jun 20, 2020
      Idealboneshakerbike

      Activity Feed

      usernameactiontypetitledate
      user #1019881aaronrcouchwishlisttrailGrand Loop Road Mammoth Hot Springs to Norris Canyon Rd)
      Sep 7, 2021 @ 11:28am
      Sep 7, 2021
      user #2363042NeumieriddentrailOld Gardiner Road
      Aug 28, 2021 @ 4:10pm
      Aug 28, 2021
      user #2322266Climbnrideaddphoto in My City and 4 more
      Jul 10, 2021 @ 6:04pm
      Jul 10, 2021
      user #1851569mattjohnson311riddentrailYCC Trail and 1 more
      Jul 8, 2021 @ 8:48pm
      Jul 8, 2021
      user #2133230bishop-bikercommenttrailOsprey Falls Trail
      Jun 26, 2021 @ 8:50pm
      Jun 26, 2021

      Recent Comments

      usernametypetitlecommentdate
      user #2133230bishop-bikertrailOsprey Falls TrailYou can’t bike down to osprey falls like...
      Jun 26, 2021 @ 8:50pm
      Jun 26, 2021
      user #1744573bcdanutrailGrand Loop Road Mammoth Hot Springs to Norris Canyon Rd)The route shown on the map doesn't match the...
      Sep 9, 2020 @ 9:20am
      Sep 9, 2020

      Nearby Areas

      namedistance
      Riverside Ski Trails14.9 km
      Rendezvous Trails 2 10 217.2 km
      Lionhead 9 421.6 km
      Madison Range 9 1322 km
      Yellowstone - Old Faithful Region 122.4 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike3766 miles5,801 ft32 miles3,832 ft
      #9,761#4,14716107
      E-Bike2136 miles2,680 ft14 miles3,819 ft
      #3,617#76016
      Hike124290 miles44,895 ft134 miles5,492 ft
      #8,746#3,988717175
      Trail Running121264 miles41,644 ft121 miles5,492 ft
      #8,732#3,9691725
      Horse2941 miles4,836 ft20 miles3,809 ft
      #936#6231
      Dirtbike/Moto1711 miles1,490 ft6 miles3,619 ft
      #353
      Observed Trials1711 miles1,490 ft6 miles3,619 ft
      #24
      ATV/ORV/OHV1711 miles1,490 ft6 miles3,619 ft
      #229
      Snowshoe1394 ft10 ft394 ft13 ft
      1
      • By WillieJacobsz TRAILFORKS NEMBA & contributors
      • Admins: apply
      • #31641 - 838 views
      • yellowstone - northwest region activity log | embed map of Yellowstone - Northwest Region mountain bike trails | yellowstone - northwest region mountain biking points of interest

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