Steam Vents Hot Spring (W, 19mi), Hawaii

Hot Springs in Hawaii

Hot Springs Bortle 1 Solitude: 90/100 (remote)
Steam Vents hot spring near Captain Cook, Hawaii, offers exceptional seclusion in a tropical setting.

Near Captain Cook, HI in Hawaii

What to Pack for Steam Vents Hot Spring (W, 19mi), Hawaii

Being properly equipped turns potential hazards into manageable situations.

This packing list is tailored to the Tropical environment and variable conditions at Steam Vents.

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

  • Headlamp (extra) — Remote terrain often takes longer than expected to navigate; a backup headlamp prevents being stranded in darkness if your primary fails.
  • Emergency bivy — An emergency bivy sack weighs 4-8 ounces and provides wind and rain protection if an injury, storm, or navigation error forces an unplanned night out.
  • PLB/satellite messenger — A Personal Locator Beacon sends your GPS coordinates to search-and-rescue via satellite, working anywhere on Earth with no cell signal needed.

Activities & Best Time to Visit Steam Vents Hot Spring (W, 19mi), Hawaii

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

The terrain here lends itself to photography, relaxation, soaking — activities that match the Tropical environment.

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

Activities

  • photography — Capture landscapes, wildlife, and changing light across trails, coastlines, and mountain vistas.
  • relaxation — Unwind outdoors by reading, meditating, or simply enjoying quiet scenery.
  • soaking — Relax in natural hot springs or designated soaking pools surrounded by scenic views.
  • 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: Jun, Jul, Aug, Sep

Terrain: Tropical — Tropical terrain features lush vegetation, high humidity, and year-round warmth.

Nature & Wildlife at Steam Vents Hot Spring (W, 19mi), Hawaii

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

The natural world around Steam Vents reflects its Tropical setting — autograph tree overhead, Bamboo Orchid at your feet, and wildlife throughout.

Trees (1)

  • autograph tree
    autograph tree — Autograph tree is an evergreen with thick leathery leaves.

Wildflowers (1)

  • Bamboo Orchid
    Bamboo Orchid — Tall cane-like stems resembling bamboo.

Other Plants (5)

  • ʻŌhiʻa Lehua
  • Pūkiawe
  • Small-leaved plane
  • Brazilian pepper
  • Akeake

Mammals (1)

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

Birds (13)

  • Saffron Finch
    Saffron Finch — Bright yellow body
  • Yellow-billed Cardinal
    Yellow-billed Cardinal — Black cap
  • Warbling White-eye
    Warbling White-eye — Olive-green body
  • Kalij Pheasant
    Kalij Pheasant — Glossy black male
  • Yellow-fronted Canary
    Yellow-fronted Canary — Yellow underparts

Reptiles (4)

  • Gold Dust Day Gecko
    Gold Dust Day Gecko — A bright green gecko with blue and gold speckling on the back.
  • Jackson's Chameleon
    Jackson's Chameleon — A bright green lizard with independently moving eyes and grasping tail.
  • Green Sea Turtle
    Green Sea Turtle — A large marine turtle with smooth olive-brown shell and paddle-like flippers.
  • Mourning Gecko
    Mourning Gecko — A small smooth-skinned gecko with mottled brown coloration.

Amphibians (1)

  • Common Coqui
    Common Coqui

Insects (5)

  • Gulf Fritillary
    Gulf Fritillary
  • Black Witch
    Black Witch
  • Yellow Fever Mosquito
    Yellow Fever Mosquito
  • Western Honey Bee
    Western Honey Bee
  • Dot-lined Angle
    Dot-lined Angle

Other Wildlife (9)

  • Hawaiian Garden Spider
  • Shingle Urchin
  • Yellowstripe Goatfish
  • Thin-shelled Rock Crab
  • Tetragnatha quasimodo

Nature Bingo at Steam Vents Hot Spring (W, 19mi), Hawaii

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

Wildlife Challenge

Botany Challenge

Steam Vents Hot Spring (W, 19mi), Hawaii Trip Planning & Access

Here's the practical side of visiting Steam Vents.

Whether it's a day trip or weekend getaway from San Jose, here's what visiting Steam Vents involves.

Nearest city: San Jose (2372 mi)
Estimated fuel cost: $593.02 (28 mpg, $3.5/gallon)
Carbon footprint: 1916.6 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
  • Strollers: excellent (100/100)
  • Beginners: Some experience helpful (Difficult - gain experience first (-20))
  • Accessibility: Generally accessible to most visitors (85/100)

Places Near Steam Vents Hot Spring (W, 19mi), Hawaii

The area around Steam Vents has plenty more to offer.

The proximity of 15 other outdoor spots makes this area ideal for multi-day exploration.

Stargazing & Night Sky at Steam Vents Hot Spring (W, 19mi), Hawaii

After a day outdoors, the evening sky here is worth a look.

Under the Bortle class 1 skies at Steam Vents, you can expect to see 0 major constellations and constellations and bright planets.

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 Steam Vents Hot Spring (W, 19mi), Hawaii

The time of year you visit changes what you'll see and do.

Knowing what each season brings helps you plan the best possible visit to Steam Vents.

Steam Vents Hot Spring (W, 19mi), Hawaii Geology & Natural History

Beyond the trails and wildlife, Steam Vents 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%

Steam Vents Hot Spring (W, 19mi), Hawaii Safety & Conditions

The weather data above tells you what's typical — these links tell you what's happening right now.

Safety starts with current information. These resources cover real-time conditions near Steam Vents.

Flood zone: Not in a flood zone

Coordinates: 19.486, -155.598

Packing List Star Guide ↑ Top
Steam Vents
Hawaii · Hot Springs · 19.486°N, -155.598°W

Emergency Information

In case of emergency: Call 911

Nearest town: Captain Cook, HI