Sari Ater Hot Spring

Sari Ater Hot Spring is a natural geothermal hot spring resort in Ciater, Subang Regency, West Java, Indonesia, on the southern slope of Mount Tangkuban Perahu. Fed by natural hot water with temperatures around 40-43°C, it features multiple thermal pools, private soaking baths and a family recreation park. Surrounded by tea plantations and pine forest, it is developed as a wellness and family tourism destination and is a popular getaway from Bandung and Jakarta.

Visitors can expect a large resort complex centered on natural hot spring pools of varying sizes and temperatures, including large public pools, smaller private pools, and family waterpark areas. The setting is mountainous with cool air, surrounded by tea plantations and pine forest. The complex includes hotels, villas, bungalows, restaurants, changing rooms, prayer rooms and recreation facilities. Water is naturally warm and contains sulfur, used for bathing and relaxation. Weekends are typically crowded with domestic tourists.

Sari Ater Hot Spring has been developed since the 1970s as a geothermal tourism resort utilizing natural hot springs originating from Mount Tangkuban Perahu's geothermal activity. It has grown from simple bathing pools into a major integrated hot spring resort in West Java.

The hot spring is known locally for wellness and relaxation traditions associated with natural thermal water bathing, and is a long-established family recreation destination for residents of West Java.