The Bamboo Bar at Mandarin Oriental Bangkok is an iconic jazz bar and cocktail lounge dating to 1947, making it Bangkok's first jazz venue. Located in the hotel's River Wing along the Chao Phraya River, the bar retains a sensual 1950s ambience and features live jazz performances from Monday to Thursday 8pm–11:45pm and Friday to Saturday 8pm–12:45am. The bar offers award-winning signature cocktails from the Evolution menu, inspired by bamboo and featuring local Thai ingredients including mango, lemongrass, and banana, creating refined contemporary cocktails.