Ahalanui Thermal Warm Ponds
Distance: 4.5 miles from Hedonisia (11 minute drive), 11.6 miles from Pahoa
When is it open: Parking lot is open from 7 am – 7 pm
Admission Fee: Free!
Located on the Big Island’s east shore near Pahoa, Ahalanui Thermal Warm Ponds offers natural hot springs located right next to the ocean. The pool water is spring fed and its waters are volcanically heated to 90 degrees. It is connected to a small inlet which allows for ocean water to flow in and out of the tides. It also boasts a large variety of small tropical fish that swims into the pool. The pool water is brackish and crystal clear. The bottom of the pool comprises of sand and mud with a slight sulfur smell.
The depths of the pool has been molded to provide shallow sections for children, with ladders introduced to make for easy access. The water is crystal clear with fish occasionally swimming among the visitors. Snorkeling in the pool is allowed. Lifeguards are on duty during daylight hours so it is perfect for swimmers of all skill levels.
The area is a beautiful spot, surrounded by palm trees with an abundance of green vegetation. There is plenty of shady areas for rest and relaxation. The Pacific Ocean is to the east of the pools making it a great tropical retreat.
There is a picnic area, showers, barbecue grills, toilet facilities, and plenty of free parking spaces. It is a popular destination for locals, and especially during the weekend the place gets crowded. It is best to visit during the week and to arrive early in the morning to avoid crowds. However for the most part, the heated pools are rarely crowded.