4,201 ft
Distance
228 ft
Climb
-216 ft
Descent
00:08:56
Avg time

Fourmile Link Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Betasso Preserve
    Boulder, Colorado
  • Difficulty Rating
  • Trail Type
    Singletrack
  • Trail Usage
    Multi-use
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
  • Global Ranking
    #13999 in Mountain Biking
  • Local Popularity
    50 in Mountain Biking [+]
    • 30 in Trail Running
    • 75 in Hiking
  • Land Manager

Trail trail is a bi-directional link from Four Mile Canyon road to the Benjamin Loop at Betasso. Trail is blue intermediate but there are two small staircases that most people walk.

Access Info

The Fourmile Link can be accessed 2.7 miles up Fourmile Canyon Drive from Boulder Canyon Drive. Look for a small pullout and a guardrail on the south side of the road.

Disclaimer

Trail closed to bikes on Wednesday and Saturdays.

Local Trail Association
Traditionally Indigenous Territory
More Stats for Fourmile Link mountain bike trail trail
  • Altitude change
    12 ft
  • Altitude min
    6,145 ft
  • Altitude max
    6,295 ft
  • Altitude start
    6,276 ft
  • Altitude end
    6,288 ft
  • Grade
    0.289%
  • Grade max
    -34.355%
  • Grade min
    29.25%
  • Distance climb
    2,194 ft
  • Distance down
    1,952 ft
  • Distance flat
    55 ft
  • Avg time
    00:08:56
  • Avg reverse time
    00:09:34
  • view trail stats
Status:
on May 7, 2021
Ideal
Avg: 4.65 (3 votes)

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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 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
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
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Radar Time
      Directions to fourmile-link trailhead (40.038460, -105.350770)
      update trails status or condition

      Fourmile Link Trail Reports

      statusdatedescription
      May 7, 2021 @ 7:28am
      May 7, 2021
      reporter From 303 Trail Monitor, "Riding just about as good as can be (tacky, perfect, no mud, both loops clockwise) as of this morning…get some!"
      May 4, 2021 @ 10:08am
      May 4, 2021
      reporter From Boulder County Parks & Open Space, "Betasso trails on 5/4 are wet from the recent rainfall, but not in bad condition. There may be...
      Apr 24, 2021 @ 10:34am
      Apr 24, 2021
      reporter Betasso Ranger, "Snow and ice in shaded areas. Trailheads are relatively dry with a little mud. Hikers said Benjamin loop is mainly dry, aside...
      Apr 20, 2021 @ 9:47am
      Apr 20, 2021
      reporter Betasso received 9" of snow on 4/19-4/20
      Apr 4, 2021 @ 6:16pm
      Apr 4, 2021
      reporter Almost all dry, a little bit of slush and ice by the creek.
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 2 rides
      • 21 miles avg distance
      6 Months
      • 52 rides
      • 17 miles avg distance
      All
      • 932 rides
      •  

      Photos

      more »
      43 |
      Aug 8, 2019 @ 12:46pm
      Aug 8, 2019
      36 |
      Aug 8, 2019 @ 12:34pm
      Aug 8, 2019
      31 |
      Aug 8, 2019 @ 12:30pm
      Aug 8, 2019
      185 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

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