I
Isaac Westerhof
2 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
Loading map…
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Conditions
Clear59°
59°83°
20 mph
Gust32 mph
6:03 AM
9:22 PM
Dry
No significant precipitation expected.
Trail conditions look great for riding
0.21 in forecast rain in the next 48 hours29% top-layer soil moisture
This looks like a wetter week around the trail, with 4 days showing meaningful rain chances.
Best Window This Week
Monday
a high near 66°F, little expected rain, 1% rain chance, winds near 14 mph
Forecast data via Open-Meteo.
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 with a dirt surface. Key stats include an estimated ride time of 13 min, which helps when comparing it with nearby Grand Rapids rides. Use the RidePal map to view the full trail route, compare nearby options, and plan around local riding conditions in Grand Rapids.
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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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 are the current riding conditions for The underground?
Some moisture signals are present, so expect tackier dirt or isolated soft spots. The current forecast suggests Monday because a high near 66°F, little expected rain, 1% rain chance, winds near 14 mph.
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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