After reaching the Mauna Loa Observatory at 11,200 feet, Cline had to ditch his bike and hike another 2,500 feet or so to the summit. All in a day’s work for Cline, who is used to walking four ...

You can only access the summit of Mauna Loa from the ʻĀinapō ... sickness on a hike. The trail is marked with cairns or stacked rocks, but having a map is essential. You'll be trekking through ...

Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors via a metal ladder. The caves can be wet, dark and muddy, so proceed with caution and pack a ...