The Napau Crater Trail begins at the Mauna Ulu parking area (approx. 3.5 miles down the Chain of Craters Road). The Naulu Trail, which links to the Nāpau Trail, begins at the Kealakomo parking area (approx. 9.7 miles down the Chain of Craters Road). Neither trailhead has public telephones or public transportation.
View Napau Crater Trail guide >