I
Isaac Westerhof
8 mo. ago
★★★★★
Dry
Really good downhill jump trail
The underground
Grand Rapids · Michigan
1.2 mi
Distance
...
Net Elevation
13 min
Est. Time
Peak Elevation
...
Difficulty
Blue Square
1.2 mi
Distance
...
Net Elevation
13 min
Est. Time
...
Peak Elevation
Blue Square
Difficulty
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Weather outlook
Cloudy41°
35°45°
12 mph
Gust29 mph
7:31 AM
5:21 PM
Damp
0.2" of rain expected today.
Trails may be slightly damp in shaded areas
0.21 in forecast rain in the next 48 hours0.2 cm forecast snowfall in the next 48 hours
The week looks mostly favorable for riding, with no major moisture signal in the forecast.
Forecast window
Monday
a high near 51°F, little expected rain, 0% rain chance
Weather-based estimate. Always check local closures and posted trail conditions before riding.
Forecast data via Open-Meteo. Forecast date: .
About This Trail
The underground is a 1.2-mile mountain bike trail near Grand Rapids, Michigan. RidePal marks it as a blue square trail. Surface: dirt. Listed stats: an estimated ride time of 13 min.
Mountain Biking in Grand Rapids
Grand Rapids is one of the mountain biking hubs in Michigan, with mapped trail coverage on RidePal. Use The underground as a starting point to compare nearby routes by distance, difficulty, surface, elevation profile, and ride time.
View all MTB trails in Grand RapidsTrail Photos
2 photos of The underground in Grand Rapids
Trail Details
Direction
One-Way Only
Surface
Dirt
Surface Quality
Very Rocky
Technical Rating
Blue Square
Trail Reviews
Community ratings and recent trail conditions
5.0
★★★★★
1 review
Latest Condition
Sun
Dry
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Mountain Bike Trails Near Grand Rapids
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The underground FAQ
Where is The underground?
The underground is a mountain bike trail near Grand Rapids, Michigan. RidePal maps the route, trail stats, photos, reviews, and nearby rides for this area.
How difficult is The underground?
The underground is 1.2 miles long, rated blue square, with a dirt surface, listed as one-way only, with an estimated ride time of 13 min. Check the map and recent conditions before riding.
What is the weather outlook for The underground?
Weather forecast for 2026-11-12: 0.2" of rain expected today. Trails may be slightly damp in shaded areas Weather-based estimate. Always check local closures and posted trail conditions before riding.
What other mountain bike trails are near The underground?
Nearby RidePal trail pages in Grand Rapids include Ken-O-Sha Gold Loop, Ken-O-Sha Green Loop, Ken-O-Sha Red Loop, Ken-O-Sha South Loop, Ken-O-Sha Blue Loop. Use the nearby trails section to compare distance, difficulty, and route style.
How can I update information for The underground?
Use the RidePal contribution portal from this page to submit corrections, photos, reviews, or route updates for The underground.
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