We spent two nights at the Napau Crater backcountry camp. The hike-in was remarkable with many sections crossing extensive lava flows and through sections of tropical rainforest. The campsite itself had a small pit toilet but no water- so we carried in 18 liters for our multi-day adventure. Let’s just say the hike-out was a bit lighter. 

We did find several puddles along the trail that must have been created by feral pigs in the park, where we could have filtered water– but I wouldn’t count on them. Additionally, these are watering holes for wildlife so we shouldn’t be competing with them for water, so plan on packing in the water. We had the whole place to ourselves, we didn’t see any hikers until day three when we were on our way out. It was a lovely break from an island that can seem overwhelmed by visitors sometimes. 

Hiking across the lava flows offers no discernable trail except for the regularly spaced ahu stone piles(cairns) which are the only way to navigate. Should the weather turn or fog roll in visibility can be greatly reduced. Backcountry permits were available at the backcountry office near the visitor’s center and the ranger was incredibly helpful. Water was also available there so you can fill up on your way.