Puʻuʻulaʻula Summit

Puʻuʻulaʻula is the 10,023-foot summit of Haleakalā and the highest point on Maui. Its public observation building sits above the park’s enormous central crater, with short paved and unpaved paths around it. Keep this stop if you want the high point and a broad crater view without a hike. Clear weather opens views across Maui and out to sea; clouds can hide the far horizon.

A short path from the lot reaches the public observation building by stairs or an inclined path. NPS identifies the site as wheelchair accessible but does not give the path’s grade or surface. From the summit, look across the crater, toward the West Maui Mountains and, on clear days, to neighboring islands and the Pacific. Mauna Kea and Mauna Loa on Hawaiʻi Island are sometimes visible across the water. For a sunrise photo, include the small summit building against the sky; it gives the cloud view a sense of scale. The nearby observatories are not open to visitors. The public viewing area is the summit building and its paths.

The summit is 10 miles beyond the entrance station, up a road with no lights or guardrails. Before a pre-dawn visit, check the current rules and reserve the separate sunrise entry. Parking is limited and can fill, especially near sunset, and the entrance may turn cars around when the lot is full. There’s no food, fuel or EV charging in the park, so arrive supplied. Restrooms and drinking fountains are available at the summit.

At 10,023 feet, the air is thin and the summit can be cold and windy even when the coast is warm. Take the first walk slowly and bring a warm, wind-resistant layer. If you feel unwell from the altitude, head back down rather than pushing on.

Haleakalā’s “crater” wasn’t made by the summit collapsing into a hollow. It’s an erosional valley: the Koʻolau and Kaupō valleys expanded toward one another and met near the summit after lava flows built around the rim about 145,000 years ago. The crater floor still has cinder cones and lava flows, some formed about 800 years ago.

The ʻāhinahina, or Haleakalā silversword, is found only on this mountain. Its silvery hairs help it reflect harsh sun and collect moisture from mist. A plant can live for 30 years or more, then send up one tall purple flower stalk and die. Stay on marked paths; a footstep can damage its fragile roots.

The low stone-and-glass public observation building was completed in 1964; its stairway and parking area were finished in 1963. The building’s wraparound windows offer some shelter while keeping the view open, which matters on this exposed, windy summit.

The summit is sacred to Native Hawaiians. Keep your voice low and leave rocks, cultural objects, plants and structures where they are.