Mapaso Hot Spring

Mapaso Hot Spring is a natural sulfuric hot spring located in Barangay Rizal II, Calbayog City, in the province of Samar, Philippines. Surrounded by forested hills, it features warm mineral-rich waters collected in developed concrete pools. Known locally for its reputed therapeutic properties, the spring is a popular day-use destination for bathing and relaxation. The site includes basic visitor facilities and is accessed by road from Calbayog city proper.

Visitors can expect a natural hot spring set in a forested, hilly area inland from Calbayog City. Warm sulfuric water flows into man-made concrete pools of varying temperature where visitors can bathe and soak. The surroundings are rural and green with simple cottages and picnic areas. Facilities are basic and the atmosphere is quiet and local, focused on bathing, relaxation and picnicking rather than resort-style development.

Locally valued for its warm sulfuric waters believed to have therapeutic and relaxing benefits, and used by residents of Calbayog and nearby communities as a traditional bathing and leisure spot.