Magruder Corridor
Magruder Corridor is a hard 101 miles off-road trail near Idaho/Montana Border, ID. It requires a properly built 4x4 with All-terrain tires, 4WD capability and is best run July - October. Stock trucks and Jeeps are not recommended; plan on the required modifications before attempting it.
Trail Conditions
No reports yet
This trail offers a unique off-road adventure through diverse terrain and stunning scenery. Whether you're seeking technical challenges or scenic exploration, you'll find an experience that connects you with nature and tests your driving skills. Every journey on the trail creates memories and builds the confidence that comes from conquering new terrain.
Fun Facts
Every trail tells a unique story shaped by geology, history, and the adventurers who came before.
Off-road trails connect us to landscapes that remain wild and untouched by pavement.
🛞 Tires
⚙️ Drivetrain
🪢 Recovery
Where to Camp
GPS Coordinates
Import into Gaia GPS, OnX Offroad, or Garmin
Map of Idaho/Montana Border, ID
5-Day Forecast
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 Magruder Corridor is right for your setup, or find a better match.