What it is
Boiling Pots is a scenic natural attraction located in Hilo, Hawaiʻi, on the Wailuku River. It is part of the Wailuku River State Park, which also encompasses the more famous Rainbow Falls downstream. The site gets its name from a series of large, terraced pools formed by ancient basalt lava flows where the Wailuku River tumbles and churns, creating a bubbling or "boiling" effect, especially after heavy rains. The water is not actually hot or geothermally heated.
Geologically, the "pots," which are about 50 feet in diameter, are eroded into 10,500-year-old lava flows from Mauna Kea and younger pāhoehoe flows from Mauna Loa. The river runs partially through lava tubes beneath the surface and breaks through to create these cascading pools. Upstream from the Boiling Pots is Peʻepeʻe Falls, a 50-60 foot waterfall that feeds into the pots. The area also holds cultural significance, with Hawaiian legends connecting the Wailuku River and its features to the goddess Hina and the demi-god Maui.
Visitor experience
Visitors to Boiling Pots come to witness the unique geological formations and the powerful flow of the Wailuku River. A paved parking lot and a short, accessible pathway lead to a cement overlook that provides safe viewing of the Boiling Pots and Peʻepeʻe Falls. Informational signs explain the natural history and local legends. The "boiling" effect is most impressive during and after heavy rains when the river volume is high, often during Hilo's wet season (October-May). During drier periods, the pots may appear as a series of calm pools. The park environment features lush tropical vegetation, including large banyan trees in the vicinity of Wailuku River State Park.
Logistics
Boiling Pots is located at 1766 Wailuku Dr, Hilo, HI 96720, easily accessible just north of downtown Hilo via Waiānuenue Avenue and Peʻepeʻe Falls Road. It is part of Wailuku River State Park.
- Area: Hilo, Big Island.
- Access: The site is reached by car. A short drive past Rainbow Falls, within the same state park.
- Reservations/Permits: No reservations are required.
- Timing: Open daily, typically during daylight hours. As of January 2026, Wailuku River State Park (including Boiling Pots and Rainbow Falls) requires an entrance and parking fee for non-Hawaii residents, payable by credit card only. Hawaii residents with valid ID are exempt. Check the official DLNR website for the most current hours and fee information.
- Parking: Free parking is available in a paved lot, with space for cars and some tour buses.
- Likely Duration: Boiling Pots is typically a quick stop, often combined with a visit to Rainbow Falls. Visitors usually spend 15-30 minutes at the lookout.
- Activity Type: Better as a quick stop or part of a half-day scenic tour of the Hilo area's waterfalls.
Safety and cautions
The Wailuku River, whose name translates to "waters of destruction," is notoriously dangerous. Despite its tempting appearance, swimming in the Boiling Pots and the Wailuku River is strongly discouraged and extremely hazardous due to strong, unpredictable currents, hidden lava tubes, and rapid flash floods. Even on calm-looking days, rain far upstream can quickly and unexpectedly cause water levels to rise dramatically, creating deadly currents that can pull swimmers underwater and trap them in submerged geological formations.
Multiple drownings have occurred in the Wailuku River at both Boiling Pots and Rainbow Falls over the past decades. New signs have been installed to explicitly warn visitors of the dangers and list past fatalities. There are no lifeguards on duty. Visitors should always stay on marked paths and behind railings. Mosquito repellent is recommended due to the jungle environment.
Editorial take
Boiling Pots is a worthwhile quick stop for travelers visiting Hilo who are interested in unique geological features and powerful natural scenery. It offers a distinct experience compared to Rainbow Falls, showcasing the erosive power of the Wailuku River over ancient lava flows. Travelers seeking a tranquil experience of bubbling water will be best served by visiting after recent heavy rainfall. Those looking for an active experience involving swimming or hiking to the river's edge should absolutely skip this location due to extreme safety risks. It's a prime example of a place to appreciate from a safe distance.
Do not confuse "Boiling Pots" with geothermal hot springs; the water is cold and its "boiling" appearance is due to water turbulence, not heat. It is geographically distinct from Rainbow Falls, though both are part of Wailuku River State Park and often visited together. Peʻepeʻe Falls is also visible from the Boiling Pots lookout.
Source notes
- DLNR Hawaii – Wailuku River State Park: http://dlnr.hawaii.gov/dsp/parks/hawaii/wailuku-river-state-park/
- Islands – The Boiling Pots In Hawaii Have A Very Deadly Natural Phenomenon: https://www.islands.com/travel/boiling-pots-in-hawaii-deadly-natural-phenomenon/
- University of Hawaiʻi at Hilo – Where to Go In Hilo: https://kekalahea.hilo.hawaii.edu/where-to-go-in-hilo/
- And Drink the Wild Air – Getting to Know Hawaii: Boiling Pots: https://anddrinkthewildair.blogspot.com/2015/03/getting-to-know-hawaii-boiling-pots.html
- LotsaFunMaps – Boiling Pots Lookout, Hilo: https://www.lotsafunmaps.com/places/boiling-pots-lookout-hilo/
- Hawaii.com – Boiling Pots of Wailuku River: https://www.hawaii.com/big-island/attractions/boiling-pots-of-wailuku-river/
- Volcano Village Lodge – Visiting Wailuku River State Park, Rainbow Falls, the Boiling Pots: https://volcanovillagelodge.com/visiting-wailuku-river-state-park/
- SFGATE – Dangerous Hawaii river lures visitors to their deaths: https://www.sfgate.com/travel/article/wailuku-river-state-park-deaths-18536761.php
