Kamalaya Wellness Sanctuary & Holistic Spa shared by @travelleisure says: ""Kamalaya Koh Samui is a renowned wellness retreat offering unique treatments such as the Lanna samunphrai ron, an ancient prescription to improve digestion and lower back pain. The retreat is set on a vertiginous hillside with 50 treatment huts, dark steam chambers, and moonstone-like soaking pools. The on-site restaurant, Soma, provides a peaceful open-air dining experience, and the retreat includes Arjan Cave, a meditation space once inhabited by monks."" on Postcard