# Mauna Loa Observatory Road

**Location:** Big Island, HI | **Difficulty:** Easy | **Length:** 17 miles

**GPS:** 19.5362, -155.5762

**Vehicle requirements:** Stock high-clearance 4WD or AWD with all-terrain tires. No lift or lockers required.

**Best season:** Year-round

Less crowded than Mauna Kea, this road climbs the flanks of the world's largest active volcano. Lava fields stretch to the horizon in every direction.

**Region:** West • **Trail type:** Hidden Gem • **Rating:** 4.5/5

**Highlights:** Active volcano, Lava fields, Less crowded, Unique terrain, Hawaii adventure

**Nearby campgrounds:**
- [Nāmakanipaio (Hawaii National Park, Hawaii)](https://4x4playground.com/camping/hawaii/n-makanipaio)
- [Kulanaokuaiki (Hawaii National Park, Hawaii)](https://4x4playground.com/camping/hawaii/kulanaokuaiki)

Canonical page: https://4x4playground.com/overlanding/trails/maunaloa-road