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Kaumana Caves State Park
The Basics
Concrete stairs take you down to the Kaumana Caves’ entrance, a skylight that formed when part of the lava tube collapsed. There are two paths; the one to the right leads to a larger cavern than the left, but both can be explored. Keep your eye out for a diverse array of lava formations, including red-colored rock—lava that cooled so fast it retained its red color.
Up to 2 miles (3.2 kilometers) of the caves can be explored independently, before you end up on private land. Visitors can also opt to join a volcano-themed tour that also stops at Volcano National Park, Mauna Kea State Park, or MacKenzie State Park.
Things to Know Before You Go
It’s free to enter the Kaumana Caves.
Be careful crossing the road from the parking lot to the entrance.
The caves are not illuminated, and it will get very dark after about 200 feet (61 meters); bring flashlights or headlamps if you plan to go any farther.
Wear closed-toed, nonslip shoes; the ground can be uneven and slippery.
Consider bringing a light jacket as water can drip from the ceiling.
Those planning on any serious exploration should wear long pants, bring plenty of water, and consider a hard hat, gloves, and knee pads.
Be careful leaving valuables in your car, as thefts have occurred in the area.
How to Get There
The Kaumana Caves are located just west of mile marker 4 on the Hilo side of the Saddle Road (Highway 200). From Hilo, it’s about a 15-minute drive. Parking is located across the street.
Trip ideas
When to Get There
The Kaumana Caves can be visited at any time, and the cooler temperatures inside will be a relief on a hot day. Avoid going too far into the caves when there is a serious rainstorm, as there is a potential for flooding in some sections.
Saving Hilo
The same lava flow that created the Kaumana Caves threatened the town of Hilo in 1881. Legend has it that Princess Ruth Ke’elikolani came over from Honolulu, camped directly in front of the lava flow, and prayed to the goddess Pele to spare the town. The lava flow stopped 1.5 miles (2.4 kilometers) from Hilo Bay.
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