Waianapanapa, whose name is often translated as glistening waters, is the Road to Hana's most photographed beach. A small cove of jet-black basalt pebbles sits beneath dark cliffs, framed by green hala trees and bright blue surf, with sea caves and a natural lava arch a short walk along the shore. Nearby, the old Hana coastal trail follows a rugged line of lava rock past blowholes and ancient house sites. It is a small park with a big impression, and because it is popular and sensitive, the state manages entry with a reservation system for non-resident visitors.
The black sand here is not true sand but small, smooth basalt pebbles formed when lava met the sea and broke apart. It is coarse underfoot and gets hot in the sun, so water shoes or sandals help. Waves arrive with force, and rip currents and shore break are common, so this is a beach for looking, walking and wading at the edge rather than swimming. Conditions change quickly with the swell, and the cove is not patrolled the way resort beaches are.
A short path leads to the sea caves and the lava arch on the shoreline. Local legend ties one freshwater cave pool to a tragic story of a Hawaiian princess, and the pool can look reddish at certain times, which the story explains. Treat the caves with caution: waves surge in, rock is slippery and cave ceilings can be low.
The coastal trail south toward Hana, part of the old king's highway, is a wonderful, mostly level walk with ocean views, and it takes you past heiau and other cultural sites that deserve distance and respect.
Because demand is high, plan the reservation before the drive: non-resident visitors have needed a timed entry and parking reservation through the state parks system, and the rules and fees can change, so check the current page. Arrive near your window, since the lot is small and the Hana Highway is a long road to repeat.
The park also has campsites and cabins that book far ahead. Pair a morning stop here with the Pipiwai Trail or Hana town later in the day, and bring snacks, water and sun protection, since services are limited. If you are not driving yourself, many guided Road to Hana tours build in a stop here.
Time of day and swell shape the experience. Early light brings out the contrast between the black stones and the green hala, while midday sun makes the beach hot and glaring. In winter, large north and east swells can send surge deep into the caves and across the shoreline path, so some visitors stay on higher ground and enjoy the view instead. If you are staying overnight in Hana, an evening or early-morning visit is far more peaceful than a midday stop, when tour vans and rental cars arrive in waves.
Whatever time you choose, resist the urge to build rock stacks, move stones or take black pebbles home; leaving the beach as you found it is a basic rule here. Leave enough time for the coastal walk, because the best views of the lava arches and blowholes come after a few hundred yards on the trail.
What to expect
The experience
A scenic stop and short walk: black-pebble beach, sea caves, lava arch and an optional coastal trail. Non-resident visitors have needed an advance timed reservation.
Best time
Morning for light and smaller crowds. Calm summer days are kinder than winter swell, but never turn your back on the water.
How long
One to two hours at the park, plus the long drive on the Hana Highway.
Tips
Book the state park reservation before you leave, wear water shoes, keep well back from the surf and caves, stay off the old stone structures and carry out all trash.
Quick picks
- Best for
- Photographers and Road to Hana drivers who want the classic black-sand cove.
- Families
- Great for exploring and picnics with older kids, but the surf is dangerous and the cave rocks are slippery, so keep children close.
- Couples
- Dramatic scenery, a quiet coastal walk and a romantic detour from the road.
- Pair with
- The Pipiwai Trail, Hamoa Beach or lunch in Hana town.
- Time needed
- One to two hours.
Good questions
Do I need a reservation for Waianapanapa?+
Non-resident visitors have needed an advance timed entry and parking reservation through the state parks system. Confirm the current rules on the state parks page before you drive out.
Can you swim at the black sand beach?+
It is not recommended. Shore break, rip currents and surge are common, and there are no lifeguards, so most visitors wade at the edge and enjoy the view.
Why is the sand black?+
It is made of small basalt pebbles formed when lava hit the ocean and fragmented, then smoothed by waves.
Can I walk to Hana from here?+
A coastal trail follows the old king's highway toward Hana town. It is a good walk but it is rugged in places, so wear sturdy shoes and carry water.
Are there facilities?+
There are restrooms and picnic areas, and the park offers campsites and cabins, but there is no food service, so bring supplies.




