Mauna Loa Observatory Road
Mauna Loa Observatory Road is an easy 17 miles off-road trail near Big Island, HI, best run Year-round. The gear list marks Warm clothing as required, and All-terrain tires and 4WD or AWD as recommended. A stock high-clearance 4x4 can run it; check the gear list before you go.
Trail Conditions
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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
🔧 Suspension
⚙️ Drivetrain
🪢 Recovery
📦 Other
Closest campgrounds to Mauna Loa Observatory Road:
- Nāmakanipaio · Hawaii National Park · 20 mi (straight-line)
- Kulanaokuaiki · Hawaii National Park · 24 mi (straight-line)
Straight-line distance. Check the map for drive time.
GPS Coordinates
Import into Gaia GPS, OnX Offroad, or Garmin
Map of Big Island, HI
5-Day Forecast
Nearby Trails
WHAT YOU'LL NEED
Stock rigs can usually run this trail, but the right tire size and fitment make it more enjoyable.
Tire Size Calculator
Convert tire sizes and compare diameter differences before you swap.
Verify your stock tires meet minimum clearance for this trail.
Gear Ratio Calculator
Find the right gear ratio after lifting or upsizing tires.
Re-gear after a tire upgrade to restore trail torque and MPG.
Wheel Fitment Calculator
Calculate backspacing and offset so wider wheels clear your suspension.
Ensure any wheel upgrade clears your factory suspension.