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 ...

majestic Mauna Loa is clearly visible and picture-ready in much of the park. Stop to snap a photo from afar even if you don't get up close and personal. Many choose to spend several days hiking in ...

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 ...