Hōlua and Palikū campsites have pit toilets and water available nearby. The water is non-potable and must be filtered or treated before drinking. In times of drought, all water must be carried in. Permit pick-up. Camping permits can be obtained at the Headquarters Visitor Center between 8:00 AM and 3:00 PM up to one day in advance. Permits are free, require photo identification, and a 10-minute orientation. There are two primitive Wilderness campsites which are accessible only by trail. Permits are required for camping at these sites. Campsite space is available on a first-come, first-served basis for the general public. Special accommodation is made for educational groups and civic groups which may reserve camping space up to six (6) months in advance.