Puu Ulaula Trail, Hawaiʻi Volcanoes NP

Trails in Hawaii

Puu Ulaula Trail

Photo: L. Gallant/USGS / Public domain

Trails 3,062 ft moderate Native Bortle 1 Solitude: 100/100 (remote)
At 0.00 miles, this Hawaiian location offers very secluded access with 30 bird species and 4 tree species. Moderate difficulty on native surface appeals to all skill levels.

What to Pack for Puu Ulaula Trail, Hawaiʻi Volcanoes NP

Given these conditions, here's what to pack for a safe and comfortable visit.

Based on the terrain, climate, and wildlife at Puu Ulaula Trail, here's what to bring.

Essential

  • Water (minimum 2L) — Dehydration impairs judgment and endurance long before you feel thirsty; 2L is the minimum for a moderate day hike.
  • Navigation (map/GPS/compass) — Phone batteries die, cell service disappears, and trail signs get vandalized; a paper map and compass always work.
  • Sun protection (sunglasses, sunscreen) — UV exposure intensifies at elevation and near reflective surfaces like water and snow; sunburn can happen in under 30 minutes.
  • First aid kit — Blisters, cuts, and sprains happen on even the easiest trails; basic supplies let you treat problems before they force a retreat.
  • Extra food — A wrong turn or unexpected storm can extend any outing by hours; extra calories prevent fatigue and poor decision-making.
  • Headlamp with extra batteries — Trails that seem short in daylight can take twice as long with route-finding or elevation; a headlamp keeps you moving safely after dark.
  • Fire starter — Hypothermia can set in even during summer at higher elevations; a reliable fire starter provides warmth and a signal for rescuers.
  • Emergency shelter (space blanket) — A space blanket weighs under two ounces and reflects up to 90% of body heat, buying time in an unplanned overnight.
  • Knife or multi-tool — From cutting cord to preparing food to improvising gear repairs, a knife is the most versatile tool you can carry.
  • Extra clothing layer — Mountain weather can shift from sunshine to sleet within an hour; an extra layer prevents dangerous heat loss.

Terrain Gear

  • Trekking poles — Poles reduce knee impact by up to 25% on steep descents, preventing the joint pain that slows hikers on long routes.
  • Ankle-support boots — Loose rock, roots, and uneven terrain put constant lateral stress on ankles; supportive boots prevent the sprains that end trips.

Activities & Best Time to Visit Puu Ulaula Trail, Hawaiʻi Volcanoes NP

The Alpine terrain here lends itself to a range of outdoor activities throughout the year.

Puu Ulaula Trail supports 6 outdoor activities, with hiking being the most popular draw.

Photographers rate this area 35/100, with Exceptional dark sky (Bortle 1-2) and 1 excellent meteor showers being a major draw.

Activities

  • hiking — Follow marked trails through forests, deserts, or alpine terrain for a deeper connection with nature.
  • photography — Capture landscapes, wildlife, and changing light across trails, coastlines, and mountain vistas.
  • picnicking — Spread a blanket, unpack a meal, and enjoy food outdoors surrounded by fresh air and open views.
  • running — Hit scenic trails or park loops for a workout surrounded by fresh air and open space.
  • walking — A simple way to explore trails, shorelines, and park paths at your own pace while taking in the scenery.
  • wildlife_viewing — Observe animals in their natural habitats, from grazing deer to soaring raptors overhead.

Best months: May, Jun, Jul, Aug, Sep

Terrain: Alpine — Alpine terrain lies above treeline, characterized by low vegetation and exposed rock.

Nature & Wildlife at Puu Ulaula Trail, Hawaiʻi Volcanoes NP

The Alpine terrain here supports a rich ecosystem worth noticing as you explore.

Puu Ulaula Trail sits within a Alpine ecosystem home to 1 documented mammal species and 30 bird species.

Trees (4)

  • thatch screwpine
    thatch screwpine — Large fruiting structures resemble segmented spheres.
  • African tulip tree
    African tulip tree — It thrives in frost-free climates.
  • Beach Sheoak
    Beach Sheoak — The canopy is airy and irregular.
  • autograph tree
    autograph tree — The trunk becomes stout with age.

Wildflowers (1)

  • Trailing Daisy
    Trailing Daisy — Low trailing stems with white ray flowers.

Shrubs (1)

  • Shrubby Whitevein
    Shrubby Whitevein — A low branching desert shrub with pale veined leaves and small white flowers.

Other Plants (5)

  • Koster's curse
  • Torch ginger
  • Swiss Cheese Plant
  • false staghorn fern
  • ʻŌhiʻa Lehua

Mammals (1)

  • Small Indian Mongoose
    Small Indian Mongoose — A slender brown mammal with pointed snout and long tail.

Birds (30)

  • Red-footed Booby
    Red-footed Booby — White morph with black wings
  • Zebra Dove
    Zebra Dove — Brown with barred neck pattern
  • Orange-cheeked Waxbill
    Orange-cheeked Waxbill — Small gray body
  • Brown Booby
    Brown Booby — Brown upperparts
  • Red-billed Leiothrix
    Red-billed Leiothrix — Olive-green body

Reptiles (6)

  • Gold Dust Day Gecko
    Gold Dust Day Gecko — A bright green gecko with blue and gold speckling on the back.
  • Green Sea Turtle
    Green Sea Turtle — A large marine turtle with smooth olive-brown shell and paddle-like flippers.
  • Green Anole
    Green Anole — A small slender lizard capable of changing from bright green to brown.
  • Brown Anole
    Brown Anole — A small brown lizard with subtle darker patterning and a long tail.
  • Mourning Gecko
    Mourning Gecko — A small smooth-skinned gecko with mottled brown coloration.

Amphibians (2)

  • Common Coqui
    Common Coqui
  • Cane Toad
    Cane Toad

Insects (1)

  • Monarch
    Monarch

Other Wildlife (9)

  • Hawaiian Garden Spider
  • Thin-shelled Rock Crab
  • Asian Spinybacked Orbweaver
  • Hawaiian Convict Surgeonfish
  • African Giant Snail

Nature Bingo at Puu Ulaula Trail, Hawaiʻi Volcanoes NP

Can you spot them all? Check off each species as you find it on your visit.

Wildlife Challenge

Botany Challenge

Puu Ulaula Trail, Hawaiʻi Volcanoes NP Trip Planning & Access

Planning your trip to Puu Ulaula Trail — here's the practical information you'll need.

The nearest major city to Puu Ulaula Trail is San Jose, about 2363 miles away.

Nearest city: San Jose (2363 mi)
Estimated fuel cost: $590.84 (28 mpg, $3.5/gallon)
Carbon footprint: 1909.6 kg CO2 (round trip by car)

Visitor Friendliness

This location rates likely_allowed for dogs, excellent for families, and highly_suitable for elderly visitors.

  • Dogs: likely_allowed — No restrictions found
  • Families: excellent
  • Elderly: highly_suitable (Unpaved surface)
  • Strollers: possible (50/100)
  • Beginners: Good starting point (Moderate difficulty (+5))
  • Accessibility: Generally accessible to most visitors (90/100)

Places Near Puu Ulaula Trail, Hawaiʻi Volcanoes NP

There's more to explore in this part of Hawaii.

There are 15 outdoor destinations within easy reach of Puu Ulaula Trail.

Stargazing & Night Sky at Puu Ulaula Trail, Hawaiʻi Volcanoes NP

Once you're geared up and settled in, the night sky here offers its own rewards.

The skies above Puu Ulaula Trail register a Bortle class 1, making this a Excellent dark-sky site location for stargazing.

Bortle 1 Excellent dark-sky site

Meteor Showers

Time your visit around December 13-14 for the Geminids, the strongest meteor shower visible from this latitude.

  • Geminids
    Geminids — peaks December 13-14 (excellent)

    One of the most reliable and active showers of the year; best viewed after 10 PM when Gemini rises higher in the sky.

  • Quadrantids
    Quadrantids — peaks January 3-4 (good)

    This brief but intense shower peaks before dawn; early morning hours offer the best chance to see multiple meteors.

  • Perseids
    Perseids — peaks August 11-13 (good)

    A summer favorite with warm nighttime viewing; look northeast after 10 PM.

  • Eta Aquariids
    Eta Aquariids — peaks May 5-6 (good)

    Best seen before dawn in the southeastern sky as Aquarius rises.

  • Delta Aquariids
    Delta Aquariids — peaks July 28-29 (good)

    Best viewed after midnight when Aquarius is higher in the southern sky.

Planets

Planets visible to the naked eye from this location:

  • Venus
    Venus — The brightest planet, often called the Morning or Evening Star
  • Jupiter
    Jupiter — The largest planet, bright and steady in the night sky
  • Saturn
    Saturn — Famous for its rings, visible as a golden steady light
  • Mars
    Mars — The Red Planet, recognizable by its reddish-orange hue

Equipment Guide

  • Naked eye: Venus, Jupiter, Saturn, Mars, Mercury (with care)
  • Binoculars: Jupiter moons, Uranus, Saturn rings (barely)
  • Small telescope: Saturn rings, Jupiter bands, Mars surface features, Neptune

Viewing Tips

  • Check planets rise/set times for your specific date
  • Planets appear along the ecliptic (zodiac path)
  • Planets don't twinkle like stars - steady light
  • Venus and Jupiter are unmistakable - brightest objects after Moon
  • Use a stargazing app to confirm planet positions
  • Best viewing: when planet is highest in sky (transit)

Best Viewing Months

  • Evening: Oct, Nov, Dec, Jan, Feb
  • Morning: Jul, Aug, Sep

Seasonal Highlights at Puu Ulaula Trail, Hawaiʻi Volcanoes NP

The sky isn't the only thing that changes with the seasons at Puu Ulaula Trail.

The seasons shape the experience at Puu Ulaula Trail — here's what each one brings.

Indigenous Land at Puu Ulaula Trail, Hawaiʻi Volcanoes NP

This area sits on land with a deep human history that predates modern recreation.

Puu Ulaula Trail sits on the traditional lands of Nā moku ʻehā.

Territories

Languages

Indigenous languages connected to this territory include ʻŌlelo Hawaiʻi, Hoailona ʻŌlelo o Hawaiʻi (Hawai’i Sign Language).

Data from Native Land Digital

Puu Ulaula Trail, Hawaiʻi Volcanoes NP Geology & Natural History

Beyond the trails and wildlife, Puu Ulaula Trail sits within a landscape shaped by millions of years of geological processes. Here's what researchers and surveys have documented about this area.

Bedrock Geology

Rock Type
Kau Basalt
Formation
Kau Basalt
Lithology
Lava flows; basalt
Age
Holocene

Endangered Species

Species at Risk
1780
ESA Endangered
149
ESA Threatened
2
Conservation Score
100/100

Temperature Records

Record High
96°F (2008-10-29)
Record Low
18°F (1962-02-20)

Caves & Karst Features

Feature Types
Volcanic rocks with potential for pseudokarst
Karst Score
30

Watershed

Watershed
Pohakuloa Gulch
Water Quality (Good)
0%
Impaired
0%

Puu Ulaula Trail, Hawaiʻi Volcanoes NP Safety & Conditions

Before heading out, check these real-time safety resources for current conditions.

Check current conditions at Puu Ulaula Trail before heading out using these official sources.

Flood zone: Not in a flood zone

Coordinates: 19.530243, -155.464484

Packing List Star Guide ↑ Top
Puu Ulaula Trail
Hawaii · 3,062 ft · Trails · 19.5302°N, -155.4645°W

Emergency Information

In case of emergency: Call 911