Kubu spa uses unique and authentic relaxation rituals based on balinese traditions the ayung batu warm stone massage uses heated smooth volcanic stones from the ayung river in bali as extended tools to the therapists hands the heat from the stones penetrates deep into the muscles and remaining stones will be placed on energy points to ensure a level of deepest relaxation this mesmerising calming massage is the ultimate anti stress tonic for those who live life in the fast lane whats more