There are 2 drive in campgrounds, Namakanipaio and Kulanaokuaiki. Kulanaokuaiki is free and you don't need a reservation or a permit. But stays are limited to 7 days in a month and cannot exceed 30 days. Namakanipaio has restrooms, water, picnic tables and barbecue pits. The max stay is 7 days. Hawaii Volcanoes Lodge Co. offers rustic camper cabins. The cabin can sleep up to four people (1 double bed and 2 bunk style twin beds). They have picnic tables and an outdoor barbecue grill. But reservations are required.