4,201 ft
Distance
228 ft
Climb
-216 ft
Descent
00:09:14
Avg time

Fourmile Link Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Betasso Preserve
    Boulder, Colorado
  • Difficulty Rating
    Blue rate
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • Global Ranking
    #9051 in Mountain Biking [+]
    • #43690 in Trail Running
    • #23517 in Hiking
  • Local Popularity
    75 in Mountain Biking [+]
    • 75 in Trail Running
    • 85 in Hiking
  • Land Owner
    Boulder County Parks & Open Space

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 multi-use 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
    00:09:14
  • Avg reverse time
    00:10:17
  • view trail stats
Status:
on Jun 2, 2023
Ideal
Avg: 4.65 (3 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
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  • > 90%
  • > 80%
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  • bi-directional trail
  • no data
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  • One Direction
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  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
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  • Nordic Ski
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      Directions to fourmile-link trailhead (40.038460, -105.350770)
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      Fourmile Link Trail Reports

      statusdatedescription
      Jun 2, 2023 @ 1:46am
      Jun 2, 2023
      Apr 30, 2023 @ 12:30pm
      Apr 30, 2023
      		 reporter All dry
      Apr 27, 2023 @ 11:27am
      Apr 27, 2023
      		 Good to go
      Mar 24, 2023 @ 10:54am
      Mar 24, 2023
      		 Still patches of snow/ice and mud. Ridable but I'd give it another couple days to a week to let things dry out a bit more.
      Mar 20, 2023 @ 5:53am
      Mar 20, 2023
      		 reporter Nasty icy spot on an exposed left corner half way to creek from Benji Loop
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 5 rides
      • 18 miles avg distance
      6 Months
      • 132 rides
      • 17 miles avg distance
      All
      • 1,903 rides
      • Last: Jun 5, 2023

      Technical Trail Features (TTF)

      Photos

      more »
      83 |
      Aug 8, 2019 @ 12:46pm
      Aug 8, 2019
      78 |
      Aug 8, 2019 @ 12:34pm
      Aug 8, 2019
      74 |
      Aug 8, 2019 @ 12:30pm
      Aug 8, 2019
      320 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

      Trail Lists

      Routes with this trail

      titledistance
      Super Betasso via Four Mile featured15 miles

      Trail Products

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      Nearby Trails

      Betasso Preserve

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