Hosmer Grove lies in the cloud belt of Haleakala, just below the 7,000-foot level (2134m) in the summit area. Be prepared for rain and cold weather. Nighttime temperatures can drop into the to near freezing (0°C); daytime highs average 50-65°F (10-18°C). The campground has picnic tables, BBQ grills, drinking water, and pit toilets. No permit or reservation required or accepted. A person may camp up to 3 nights per month at Hosmer Grove. Hosmer Grove campground has a limit of 50 people.
The Kipahulu campground is about 1/8 mile (.2km) south of the Kipahulu Visitor Center. It overlooks ocean cliffs and is a short walk from 'Ohe'o Gulch. The campground has picnic tables, BBQ grills, and pit toilets. No water is available at Kipahulu Campground; However, drinking water is available at the Kipahulu Visitor Center restrooms. There are two general stores in the nearby town of Hana (10 miles [16km] away) where you can purchase water and basic food supplies.
Holua, the Wilderness campsite reached by the shortest hike, lies at 6,940 feet (2,115m) in the shrubland near Ko?olau Gap. Holua is 3.7 miles (6km) down the Halemau?u Trail or 7.4 miles (12km) from the Sliding Sand Trailhead. Visitors staying at Holua can enjoy day hikes into the central Wilderness Area. The landscape around Holua supports a native shrubland which colonizes the lava flows.
At 6,380 feet (1,945m), Paliku is on the east end of the Wilderness valley at the base of a rain forest cliff. The campsite is reached via a strenuous 9.3 mile (15km) hike on the Sliding Sands Trail or 10.4 (17km) on Halemau?u Trail. Clouds and fog often roll over the top of the cliffs behind Paliku, and rain is common. The extra moisture makes this spot exceptionally cool and lush.