Hana Lava Tube, also called Kaʻeleku Caverns, is an underground cave stop off the Road to Hana near Mile Marker 31. Lava once flowed through this tunnel, leaving walls and ceilings marked by unusual formations. You explore on your own with a supplied flashlight, following signs about the cave’s geology. Look for small stalactites, a low section where you need to duck, and a vent that lets daylight into the darkness. The Ti Leaf Maze adds an outdoor activity to the visit.
How the lava tube formed
Hana Lava Tube, also known as Kaʻeleku Caverns, is an underground passage formed by flowing lava. As the lava moved, its outer surface cooled and hardened while molten rock continued to pass beneath it. When the flow drained away, it left a hollow tunnel. The cave gives you a close look at the route that volcanic material once took through this part of Maui.
The tube is one of the few on Maui open to the public. The section visitors can explore is only part of a longer underground passage. Signs along the route explain features in the walls, floor and ceiling, so pause to read them as you go rather than treating the cave as a simple walk-through.
Following the self-guided route
At the entrance, stairs lead down into the cave. You receive a flashlight for the self-guided visit; the route is not lit throughout, so the beam helps you see the path and the rock around you. Signs provide information about the formations, including cracks and other marks left by the lava’s movement.
The ground is uneven, and some stairs are steep. Near the end, a low ceiling means you will need to duck. Small stalactites hang in this section, with shapes unlike the long, pointed formations found in some other caves. Rainwater can seep through from above, and the cave feels cooler than the air outside.
A vent near the end brings daylight into the underground passage. It gives you a clear change from the darker stretches of the route. Take your time here and use the signs to connect what you see with how lava tubes form.
Planning your stop
The cave is on ‘Ula’ino Road near Mile Marker 31 on the Road to Hana. From the highway, turn onto ‘Ula’ino Road; the caverns are a short drive along it. Admission includes a flashlight for exploring. Bring cash, as the site is cash-only, and check the current entry details before you go.
The visit is self-guided, and no reservation is required according to the available visitor information. The Ti Leaf Maze is also on site, so you can include it in the same stop. The cave is a poor fit if steep stairs, uneven footing or ducking under a low ceiling would make walking difficult or uncomfortable.
FAQ
How long does the Hana Lava Tube visit take?
Plan on about 30 to 40 minutes to walk through the cave and read the signs.
Do you need a reservation for Hana Lava Tube?
No reservation is required according to the available visitor information.
Is admission cash-only?
Yes. The site is listed as cash-only, so bring cash for entry.
Is the cave accessible for visitors with limited mobility?
The entrance has steep stairs, and the route has uneven ground and a low ceiling. It may not suit anyone who has difficulty walking or keeping their balance.
