Ahalanui Warm Spring, Big Island

Ahalanui is a thermal pool warmed by underground volcanic sources and refreshed by ocean water. The temperature of the pool can reach into the 90s. The beautiful park and pool can get very busy on weekends. Because of the warmth of the water and volume of people entering the pond, the pool can harbor high levels of bacteria and is not recommended for people with any immune system challenges or cuts..

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