Haleakala National Park: Halemau'u Trail
Take a crash course in vulcanology as you hike into a giant dormant volcano on this exotic 5.3-mile out-and-back on the island of Maui.
Trail Facts
- Distance: 4.2
Waypoints
HMT001
Location: 20.75256, -156.228607
From Kahului, take Haleakala Hwy. (becomes Crater Rd.) for 28.3 miles into park. Stop @ Halemau’u trailhead.
HMT002
Location: 20.753412, -156.226151
Keep NE
HMT003
Location: 20.755697, -156.222275
Straight @ 3-way with Supply Trail (staying on Halemau’u Trail); first view over the blown-out side of the massive volcano that forms more than 75 percent of the island
HMT004
Location: 20.755751, -156.218964
Crest volcanic lip (superb views) then start switchbacking 1,000 ft. to the crater floor
HMT005
Location: 20.755741, -156.215027
Pass cliff bands of jagged and scissor-sharp black lava (careful not to slash your hiking shoes)
HMT006
Location: 20.755203, -156.212997
Clouds drift over the Ke?anae Valley, where various eco-zones (from cinder ash deserts to lush rainforests) thrive. Views to the Pacific Ocean, too
HMT007
Location: 20.753677, -156.214661
Cemented lava flows and ash fields below
HMT008
Location: 20.752155, -156.21315
Koolau Gap (6,700 ft.): Photograph hillsides and lava mounds streaked in reds, browns, and greens. Campers: Continue S for another mile to Holua Cabin (permit required)