Spa at Hotel Tjampuhan
Editor's pickOur pick because nothing else on Bali looks like this: a carved stone grotto in the river gorge below the 1920s Hotel Tjampuhan, with hot and cold plunge pools and a steam cave worked into the rock. The massage menu (Tjampuhan Healing Massage, traditional Mandi Lulur, a Relaxing Romance package for couples) starts at 550k, and one 2026 guide lists grotto-pool access from 110k for outside guests - which would make it the cheapest genuine spa experience in this ranking; confirm on arrival. Honest caveats: no verified rating in our research, and the charm is old-world, not designer.