1 miles
Distance
309 ft
Climb
-308 ft
Descent
00:15:13
Avg time

Underground Details

  • Riding area
    Grand Rapids
    Grand Rapids, Michigan
  • Difficulty rating
  • Trail type
    Singletrack
  • Bike type
    XC
  • Trail Usage
    Biking Primary
  • Direction
    One Direction
    Popular direction shown
  • Climb Difficulty
    Green
  • Physical rating
    Easy
  • Global Ranking
  • Land Manager
    Kent County

Once the lurk of urban BMXers in the early 2000s, this trail grew into disrepair until 2015 when restoration efforts began. It is now affectionately referred to as "The Underground" but remains a popular getaway for local city riders. Great for hardtailing, fat biking, or even BMXing.

Local Trail Association
More Stats for Underground mountain bike trail
  • Altitude change
    2 ft
  • Altitude min
    702 ft
  • Altitude max
    807 ft
  • Altitude start
    702 ft
  • Altitude end
    704 ft
  • Grade
    0.029%
  • Grade max
    -43.672%
  • Grade min
    41.834%
  • Distance climb
    2,565 ft
  • Distance down
    2,836 ft
  • Distance flat
    308 ft
  • Avg time
    00:15:13
  • view trail stats
Status:
on Apr 11, 2018
Dry
no votes yet

view (62)
close
Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to underground trailhead (42.919884, -85.631422)
update trails status or condition

Underground Trail Reports

datedescription
Apr 11, 2018 @ 5:00am
Apr 11, 2018
Apr 3, 2018 @ 5:26pm
Apr 3, 2018
With the wet/freeze/thaw conditions this week, some parts of trail could be slippery/muddy when temps warm up. (mostly down at the bottom near...
Mar 30, 2018 @ 4:38pm
Mar 30, 2018
With the upcoming wet and variable weather the trail should still be good most of the time. The sandy soil is forgiving.
Mar 29, 2018 @ 6:00pm
Mar 29, 2018
Except for some relatively minor freeze/thaw issues in the springtime, this trail is almost always good to ride.
view all reports »

Photos

more »
240 |
Aug 17, 2004 @ 9:34am
Aug 17, 2004
Underground, Grand Rapids
100 |
Feb 29, 2004 @ 7:43pm
Feb 29, 2004
Underground, Grand Rapids
167 |
Feb 29, 2004 @ 7:43pm
Feb 29, 2004
Underground, Grand Rapids
131 |
Feb 29, 2004 @ 7:43pm
Feb 29, 2004
Underground, Grand Rapids

1 Review & Comments

  • + 1
flag stillbill (Mar 13, 2018 at 17:59)
 Nice photos! But, were those really from the "Underground" in Grand Rapids, Michigan? I don't see any remnants of the lumber or the concrete culvert pipe.
[Reply]

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