4,201 ft
Distance
228 ft
Climb
-216 ft
Descent
00:07:48
Avg time

Fourmile Link Details

  • Riding Area
    Betasso Preserve
    Boulder, Colorado
  • Difficulty Rating
    Blue rate
  • 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
    No
  • Global Ranking
    #13999 in Mountain Biking
  • Local Popularity
    55 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking
  • Land Manager
    Boulder County Parks and 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.

More Stats for Fourmile Link bike 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
    00:07:48
  • Avg reverse time
    00:10:49
  • view trail stats
Status:
on May 9, 2019
Wet
Avg: 4.5 (2 votes)

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  • Layers  w
  • Basemap 
  • Trail Style 
    • ?
  • Activity Type  
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 intendid 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 fourmile-link trailhead (40.038460, -105.350770)
      update trails status or condition

      Fourmile Link Trail Reports

      statusdatedescription
      May 9, 2019 @ 11:24am
      May 9, 2019
      		 Open, but expect mix of snow/muddy/wet conditions.
      May 8, 2019 @ 3:00pm
      May 8, 2019
      		 Open, but expect muddy/wet conditions.
      Apr 18, 2019 @ 3:31pm
      Apr 18, 2019
      		 From @RangerFowler on Twitter: "Betasso is gtg. Weather and trail conditions are great. Remember about Boulder Canyon Road closures."
      Apr 15, 2019 @ 2:23pm
      Apr 15, 2019
      		 Good to go
      Dec 21, 2018 @ 11:58am
      Dec 21, 2018
      		 Sections of snow and ice
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 4 rides
      • 27 miles avg distance
      6 Months
      • 32 rides
      • 19 miles avg distance
      All
      • 704 rides
      •  

      Technical Trail Features (TTF)

      Photos

      more »
      26 |
      Apr 13, 2018 @ 7:50am
      Apr 13, 2018
      47 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

      Trail Lists

      Reviews / Comments

      No reviews yet, be the first to write a review or ask a question.
      Use trail reports to comment on trail conditions.


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      Nearby Trails

      Betasso Preserve

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