Walk an old lava trail to a coastal spring where freshwater meets the Pacific. This guided Puna hike blends geology, endemic flora, and a supervised swim to Punawai spring—perfect for travelers comfortable with uneven terrain and open-water crossings.
More ways to explore the area's outdoor wonders
The path opens under a humid canopy, leaves slick with ocean spray, and the Pacific sits just beyond the cliff windows—blue, impatient, and eroding the shore as you walk.
Difficulty
moderate
Duration
3–4 hours
Fitness Level
Moderate fitness; comfortable with steady hiking, short climbs, and an open-water swim.
Wildlife
History
The Puna coastline bears layers of volcanic flows; the area’s springs and shorelines have long cultural significance for Native Hawaiian communities, used for freshwater access and local rituals.
Conservation
Visitors are asked to use reef-safe products, avoid disturbing freshwater sources, and follow Leave No Trace principles to protect fragile coastal and stream ecosystems.
Reserve your spot on the Haena Hike and Swim with Native Hawaiian today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Wear sturdy shoes
Expect uneven lava and muddy forest sections—closed-toe trail shoes with good tread reduce ankle twists.
Bring a dry bag
Keep electronics and a spare set of clothes dry for the swim and any unexpected spray.
Use reef-safe sunscreen
The guide will emphasize protecting marine life; chemical sunscreens can damage coral and local marine ecosystems.
Know your swim limits
The ocean crossing to the spring can have currents—only attempt if you’re a confident swimmer and follow your guide’s instructions.
Closed-toe trail shoes
Protects feet on rocky lava, roots, and muddy sections.
Dry bag (small)
Keeps phone, keys, and clothes dry during the swim.
Reef-safe sunscreen
Protects skin and local marine ecosystems during exposed coastal sections.
summer
Quick-dry towel
Useful after the Punawai spring swim and for changing at the trailhead.