About 5 miles from downtown Hilo, on Kaumana Drive, you'll find the Kaumana Caves. Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors via a metal ladder.

Hawaii island’s Mauna Loa (background), towers over the summit ... But it also has a few small cities, including the county seat of Hilo, population 45,000. Friday’s earthquake could be ...

However, if extreme adventuring is your thing, you may want to consider hiking the slopes of the Big Island's Mauna Loa, the largest ... but having a map is essential. You'll be trekking through ...