Kīpukapuaulu Trail in Hawaiʻi Volcanoes National Park

#10 of 33 trails in Hawaiʻi Volcanoes

Hawaiʻi Volcanoes National Park, HI

Kīpukapuaulu Trail

A shaded loop through an ancient forest island in younger lava.

Photo: National Park Service
Length
1.2mi
Time
1.3hr
Elev. change
197ft
Difficulty
Easy
  • Loop
  • No dogs
  • High point 4,150 ft

Hear the audio tour

Kīpukapuaulu: Forest, Birdsong and a Picnic

Overview

About Kīpukapuaulu Trail

Why go

  • A rich native forest with numbered stops that explain what you are seeing
  • An ancient lava-tube skylight adds a geological surprise to an easy walk

Heads up

  • Birds are often heard more reliably than seen
  • Uneven, sometimes rocky footing can be awkward for cane users
Kīpukapuaulu is an easy 1.2-mile loop through a native forest island surrounded by younger lava. It is a shaded nature walk whose payoff is seeing how much plant and animal life fits into this older patch of forest. Allow one to one and a half hours if you stop at the numbered interpretive posts.
Parkwolf’s verdictIs this the forest walk for you?

Map & elevation

The route

Loading the Hawaiʻi Volcanoes map
Full map
Elevation3,953–4,150 ft
TrailheadKīpukapuaulu parking area19.43770, -155.30318
Keep this map with you offline in the Parkwolf app

Plan your hike

Before you go

Parking

Use the Kīpukapuaulu parking area 1.5 miles up Mauna Loa Road. Pit toilets are at the nearby picnic area.

Safety

The dirt trail has uneven, occasionally rocky footing and a few short grades; it may be awkward if you need a smooth path.

5 active Hawaiʻi Volcanoes alerts

  • ClosureStorm-damage closures at Kahuku, Kīpukapuaulu, and Sulphur BanksMentions this trailStorm damage and hazardous trees continue to restrict access at Kahuku and Kīpukapuaulu; the damaged Sulphur Banks Bridge is closed.Official details
  • ClosureWork closures on Hilina Pali and Mauna Loa roadsMentions Mauna Loa, referenced in this guideRoad work is restricting motorized and all-use access on portions of Hilina Pali Road and Mauna Loa Road.Official details
See all 5 alerts
A park ranger sits on a dash-mounted phone, talking, as Parkwolf’s Tour Guide plays “Army Cutworm Moths: A Grizzly Bear Buffet” on Grand Loop Road below Dunraven Pass in Yellowstone
Parkwolf Tour GuideThe highest, rockiest slopes around here are a summer buffet for grizzly bears.

Hawaiʻi Volcanoes Tour Guide

Your drive to Kīpukapuaulu Trail, narrated.

Parkwolf is a GPS audio tour guide for Hawaiʻi Volcanoes National Park. As you drive, it chimes in with what’s ahead: hidden gems, upcoming stops, history, geology, and wildlife, right through your car’s speakers.

See the Hawaiʻi Volcanoes audio tour

Recorded for this trailhead

Kīpukapuaulu: Forest, Birdsong and a Picnic
0:00 / 0:28
“Kīpukapuaulu is coming up, a pocket of older native forest surrounded by younger lava.”

Plays as you drive up to this trailhead in the Parkwolf Hawaiʻi Volcanoes Tour Guide.

More stories near here in the app

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  • 58 audio storiesacross Hawaiʻi Volcanoes’s roads, triggered by GPS as you drive
  • Wildlife heatmapsfor Hawaiian Goose (Nēnē), Green Sea Turtle, Hawaiian Hawk ('Io), and 13 more
  • Works offlinemaps, 33 trails, 53 places, and audio download before you lose signal
  • CarPlay readysimple controls built for the drive
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Trail guide

Hiking Kīpukapuaulu Trail

Follow the numbered stopsStart and finish at the Kīpukapuaulu parking area off Mauna Loa Road.

Start and finish at the Kīpukapuaulu parking area off Mauna Loa Road. At the fork, take the left branch for the clockwise loop. The dirt path is fairly level, with a few short rises and dips, though some footing is uneven and rocky. The numbered stops are much easier to appreciate if you bring the trail guide. Pit toilets are at the nearby picnic area, not at the trailhead. Dogs, horses, and bicycles are not allowed.

A forest island in a sea of lavaA kīpuka is older land left surrounded by younger lava.

A kīpuka is older land left surrounded by younger lava. The forest here grows on lava at least 8,600 years old, while the surrounding flow is about 600 years old. Layers of volcanic ash built deep, moisture-holding soil; the trail guide describes more native tree species per acre here than in any other forest in the park.

A long recoveryCattle and feral goats once damaged this forest.

Cattle and feral goats once damaged this forest. Cattle were removed in 1928, and goats and pigs were fenced out in 1968. Civilian Conservation Corps workers built the trail in 1934. Later, volunteers pulled invasive nasturtium by hand, giving dormant koa seeds room to sprout. You can see the recovery in the young koa and in the mix of native ferns and herbs along the path.

Look low for lifeWatch the māmaki shrubs for Kamehameha butterflies and the forest floor for Kalij pheasants,…

Watch the māmaki shrubs for Kamehameha butterflies and the forest floor for Kalij pheasants, introduced to Hawaiʻi in 1962. Birdsong is easier to count on than a close sighting; the forest is worth the walk even when the birds stay hidden.

The lava-tube skylightAt stop six, a skylight opens into a lava tube beneath the forest.

At stop six, a skylight opens into a lava tube beneath the forest. The tube is at least 8,600 years old, and the first cave-adapted animal species known in Hawaiʻi was discovered there in 1971. The small-eyed, big-eyed hunting spider is one of the unusual animals associated with these dark tubes. Stay on the path; entering the tube is discouraged because its geology and wildlife are fragile.

Wildlife

Wildlife in Hawaiʻi Volcanoes

All Hawaiʻi Volcanoes wildlife maps

Sighting maps show where each species has been reported across Hawaiʻi Volcanoes. Wildlife moves, so no sighting is guaranteed.

Keep exploring

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Parkwolf’s Hawaiʻi Volcanoes ranking

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