Photo: dronepicr / CC BY 2.0

Part of Kaloko-honokōhau National Historical Park

Attractions -3 ft Bortle 1 Solitude: 90/100 (remote)

‘Aiʻōpio Fishtrap is located at the shoreline on the south side of the park near Honokōhau Boat Harbor. It is the only fishtrap on the island of Hawai‘i.

Near Kailua Kona, HI in Hawaii

What to Pack for ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

Being properly equipped turns potential hazards into manageable situations.

Pack for Tropical terrain, variable conditions, and the wildlife considerations above.

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.

Activities & Best Time to Visit ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

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

Whether you're here for boating or looking to try something different, ‘ai‘ōpio Fishtrap has options.

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

Activities

boating — Explore lakes, rivers, or coastal waters by motorboat or sailboat.
fishing — Cast a line in lakes, rivers, or coastal waters in pursuit of local fish species.
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.
sightseeing — Take in scenic overlooks, landmarks, and natural features at a relaxed pace.
sunbathing — Relax in sunny open areas along beaches, lakes, or grassy fields.
swimming — Cool off in designated lakes, rivers, or ocean beaches during warm weather.
walking — A simple way to explore trails, shorelines, and park paths at your own pace while taking in the scenery.

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

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

Nature & Wildlife at ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

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

The Tropical environment here supports 40 documented species across mammals, birds, reptiles, and amphibians.

Trees (3)

Portia tree — It tolerates salt spray and sandy soils.
silk oak — It grows in subtropical climates.
autograph tree — It grows in tropical climates.

Shrubs (1)

tree heliotrope — Leaves are broad and gray-green.

Other Plants (5)

kiawe
beach naupaka
Beach Morning Glory
yellow ʻilima
Fountain Grass

Mammals (4)

Small Indian Mongoose — A slender brown mammal with pointed snout and long tail.
Domestic Goat — A medium-sized hoofed mammal with narrow face and backward-curving horns.
Domestic Cat — A small carnivorous mammal with wide variation in coat color and pattern.
Humpback Whale — A massive whale with long white pectoral fins and knobby head tubercles.

Birds (30)

Red Avadavat — Bright red male with white spots
Wild Turkey — Large dark bird with iridescent bronze sheen
Zebra Dove — Brown with barred neck pattern
Western Cattle-Egret — White body
Chestnut-bellied Sandgrouse — Buff and brown patterned body

Reptiles (6)

Green Sea Turtle — A large marine turtle with smooth olive-brown shell and paddle-like flippers.
Gold Dust Day Gecko — A bright green gecko with blue and gold speckling on the back.
Mourning Gecko — A small smooth-skinned gecko with mottled brown coloration.
Brown Anole — A small brown lizard with subtle darker patterning and a long tail.
Asian House Gecko — A small pale gray to pinkish gecko with translucent skin and large eyes.

Amphibians (1)

Cane Toad

Insects (5)

Black Witch
Southern House Mosquito
Valley Carpenter Bee
Asian Tiger Mosquito
Yellow Fever Mosquito

Other Wildlife (20)

Thin-shelled Rock Crab
Indo-Pacific Rock-boring Urchin
Hawaiian Convict Surgeonfish
Pacific White-spotted Sea Cucumber
Red Pencil Urchin

Nature Bingo at ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

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

Wildlife Challenge

Saffron Finch (bird)
Small Indian Mongoose (mammal)
Green Sea Turtle (reptile)
Cane Toad (amphibian)
kiawe (plant)

Botany Challenge

Abelmoschus
Abelmoschus Moschatus
Cyrtandra Hashimotoi
Gahnia Beecheyi
Panicum Beecheyi
Catharanthus Roseus

‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP Trip Planning & Access

Here's the practical side of visiting ‘ai‘ōpio Fishtrap.

‘ai‘ōpio Fishtrap is 2386 miles from San Jose — here's what to budget for the trip.

Nearest city: San Jose (2386 mi)

Estimated fuel cost: $596.53 (28 mpg, $3.5/gallon)

Carbon footprint: 1928 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: Perfect for beginners (Moderate difficulty (+5), Good information available (+5))
Accessibility: Generally accessible to most visitors (90/100)

Places Near ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

The area around ‘ai‘ōpio Fishtrap has plenty more to offer.

If you're exploring this part of Hawaii, these nearby spots complement a visit to ‘ai‘ōpio Fishtrap.

Nearby Trails

Heiau Trail, Kaloko-honokōhau NHP 0.11 mi
Beach Access Trail, Kaloko-honokōhau NHP 0.21 mi
Ala Kahakai Trail, Kaloko-honokōhau NHP 0.21 mi
Park Boundary Trail, Kaloko-honokōhau NHP 0.21 mi
Maintenance Road, Kaloko-honokōhau NHP 0.21 mi

Nearby Attractions

‘aimakapā Fishpond, Kaloko-honokōhau NHP 0.59 mi
Kaloko Fishpond, Kaloko-honokōhau NHP 1.42 mi

Stargazing & Night Sky at ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

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

On clear nights, the Bortle class 1 skies above ‘ai‘ōpio Fishtrap reveal 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 — 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 — 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 — peaks August 11-13 (good)
A summer favorite with warm nighttime viewing; look northeast after 10 PM.
Eta Aquariids — peaks May 5-6 (good)
Best seen before dawn in the southeastern sky as Aquarius rises.
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 — The brightest planet, often called the Morning or Evening Star
Jupiter — The largest planet, bright and steady in the night sky
Saturn — Famous for its rings, visible as a golden steady light
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 ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

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

Timing your visit to ‘ai‘ōpio Fishtrap around seasonal highlights can make a major difference in what you experience.

Indigenous Land at ‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP

Before planning your trip, it's worth recognizing the Indigenous peoples connected to this land.

Before this became a recreation area, this land belonged to Nā moku ʻehā.

Territories

Nā moku ʻehā

Languages

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

Data from Native Land Digital

‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP Geology & Natural History

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

Endangered Species

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

Temperature Records

Record High: 102°F (1910-11-28)
Record Low: 40°F (1937-02-09)

Watershed

Watershed: Kawaihae Bay-Pacific Ocean

‘ai‘ōpio Fishtrap, Kaloko-honokōhau NHP Safety & Conditions

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

Before visiting ‘ai‘ōpio Fishtrap, verify current conditions through these authoritative sources.

Flood zone: In FEMA Special Flood Hazard Area (Zone VE)