Bull Gap ORV Trail
Bull Gap ORV Trail is a hard 25+ miles off-road trail near Rose City, MI, best run May - October. The gear list marks 33"+ mud-terrain tires, 3"+ lift kit, 4WD with lockers and Winch (9,500+ lb) as required. Stock trucks and Jeeps are not recommended without the required build parts.
Trail Conditions
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Bull Gap ORV Trail is Michigan's ultimate test piece, a 25+ mile network of deep mud pits, steep hill climbs, and technical obstacles that push both driver skill and vehicle capability to their limits. Located in the northern Lower Peninsula near Rose City, this trail system has earned a legendary reputation among Midwest wheelers as the place to prove your build. Spring conditions create the deepest mud, while summer dries out some sections but opens new technical challenges.
Fun Facts
Bull Gap is known as Michigan's toughest ORV trail, earning a reputation across the Midwest.
The trail system was carved from logging roads but has been deepened by decades of ORV use.
Some mud pits on the trail are rumored to be bottomless during spring thaw.
🛞 Tires
🔧 Suspension
⚙️ Drivetrain
🪢 Recovery
🛡️ Protection
Closest campgrounds to Bull Gap ORV Trail:
- Rifle River State Recreation Area · Lupton · 0 mi (straight-line)
- Island Lake · Mio · 10 mi (straight-line)
- Wagner Lake · Rose City · 12 mi (straight-line)
- Mack Lake ORV Campground · Mentor · 13 mi (straight-line)
- South Branch Trail Camp Group Site · South Branch · 13 mi (straight-line)
- Rollways Campground · Plainfield · 13 mi (straight-line)
Straight-line distance. Check the map for drive time.
GPS Coordinates
Import into Gaia GPS, OnX Offroad, or Garmin
Map of Rose City, MI
5-Day Forecast
Nearby Trails
WHAT YOU'LL NEED
This trail rewards preparation. Run these tools before you load up, the numbers matter.
Tire Size Calculator
Convert tire sizes and compare diameter differences before you swap.
Running 35s or 37s? Confirm fitment and sidewall height before you go.
Gear Ratio Calculator
Find the right gear ratio after lifting or upsizing tires.
Low-range crawl ratio is everything on technical terrain, calculate yours first.
Wheel Fitment Calculator
Calculate backspacing and offset so wider wheels clear your suspension.
Extra wheel width = extra clearance on tight lines. Check offset before buying.
MPG Calculator
Estimate fuel economy after a tire upgrade, important for remote runs.
Bigger tires cut MPG. Plan your fuel stops for this trail.
Trail Matchmaker
Not sure this trail matches your rig's current build? Find out fast.
Answer 6 questions and confirm Bull Gap ORV Trail is right for your setup, or find a better match.