At roughly 7,000 feet above sea level, Hosmer Grove sits in a forested pocket just inside the entrance to Haleakalā National Park, where temperatures can drop into the 30s even in summer and wind gusts regularly exceed 30 knots. The campground itself is compact: six sites arranged around a small grassy lawn on a gently sloping hillside, with level tent platforms, a covered picnic area for wind shelter, potable water spigots, and enclosed pit toilets with a handwashing station. It is small. That smallness shapes everything about the experience.
The draw here is almost entirely about location and access. Campers with a reservation are already inside the park gates, which means no 3 a.m. scramble from a hotel in Kahului to catch the summit sunrise. The drive to the top takes about 30 minutes from the campground, but that head start matters considerably. A short nature trail loops through a grove of mixed tree species planted during an earlier logging experiment, and Amber A. describes it as a "camp site above the clouds" worth waking early for "pre-dawn birdsong." Several reviewers single out the birdwatching as a genuine highlight, with the mix of water sources and varied plantings attracting rare and endangered Hawaiian species.
Gear choices matter more here than at most Hawaii campgrounds. Bring a tent with aluminum poles and a full-coverage rainfly with guylines. Cheap dome tents have visibly struggled in the wind. Nights call for down sleeping bags, insulating layers, hats, and gloves regardless of the season. Campers planning to cook should know that campfires are not permitted, so a grill or camp stove is essential.
Reservations are capped at three days per month, and no-shows have been noted even during busy periods, so arriving early improves the odds of landing one of the two relatively level parking spots. Grocery stores are about an hour's drive down the mountain in Kahului, and supplies near the summit are limited to a small gift shop with minimal snacks. Those interested in campgrounds around Haleakalā National Park will find additional options including the Holua Primitive Wilderness Campsite — Haleakalā National Park and the Wilderness Cabins — Haleakalā National Park deeper within the park's crater.
Hosmer Grove works best for campers who want a practical base for summit access, crater hiking, or birding, and who come fully prepared for cold, wind, and a communal, close-quarters setup.
Description
Haleakalā Volcano, on the Hawaiian island of Maui, is a massive shield volcano that rises more than 10,000 feet above the Pacific Ocean, and makes up more than 75% of the island’s land mass. Its name, Haleakalā, is Hawaiian for “House of the Sun,” and is steeped in Hawaiian legend. More modern references attribute it to the spectacular sunrises observed from the rim of the summit crater. In an effort to preserve and protect the volcano’s spectacular summit crater, as well as the Kipahulu Valley rainforest on the volcano’s eastern slope, Haleakalā National Park was established in 1961. The majority of visitors to the park drive the long, winding road to the summit viewpoints and visitor center. The small number of adventurers who descend into the crater can explore an otherworldly landscape of colorful cinder cones, lava flows and other volcanic features.
For those interested in a little primitive camping on the flank of this sleeping giant, the Hosmer Grove Campground provides close access to the summit’s viewing areas and hiking trails. The campground is located partway up the mountain, just 0.5 mile past the park’s entrance station. From Kahului, it’s only about 28 miles, but the winding road makes the drive pretty slow. Hosmer Grove offers 10 campsites in a large, grassy area surrounded by foreign and native woods. Campsites have picnic tables and cooking grills, and vault toilets are available. Campfires are not permitted, but contained camp stoves are allowed. The campground is situated at 7,000 feet above sea level, right in Haleakalā’s “cloud belt,” so it’s often cool and foggy, and overnight temps can plummet below freezing. Free camping is first-come, first-served, with a three-night limit..
Taking in Haleakalā’s summit sunrise show requires making a long, slow, winding drive up the mountain in the blackness of night to reach the viewing areas before sunrise. In efforts to alleviate road and parking congestion at the summit, the national park has implemented a permit requirement to access the viewing areas. These can be obtained up to 60 days in advance from the recreation.gov website. Permits are only required for driving up the mountain between 3am and 7am. Dress warmly, as it is cold on the summit rim. Hikers will find more than 30 miles of trails that journey down into the crater for exploring its many features. There is no shade or water on the crater floor, and temperatures can vary significantly, so pack along plenty of water and sunscreen. Also, due to the soft, sandy nature of the trails, plan on spending twice as much time to hike out as to hike in.
Map & DirectionsHosmer Grove Campground is located in Hawaii near Haleakala National Park
Coordinates
20.76674183 N
156.23786136 W
Connectivity
- T-Mobile5GExcellent Coverage
- VerizonLTESome CoverageVerified by 2 usersLast on 12/6/25
- AT&T5GExcellent Coverage
Connectivity
- T-Mobile5GExcellent Coverage
- VerizonLTESome CoverageVerified by 2 usersLast on 12/6/25
- AT&T5GExcellent Coverage
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
- Hike-InBackcountry sites.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
Features
For Campers
- Trash
- Picnic Table
- Phone Service
- Drinking Water
- Toilets
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Water Hookups




























