Mainit Sulfuric Hot Spring

Mainit Sulfuric Hot Spring is a natural thermal spring located in Barangay Mainit, Municipality of Maco, Davao de Oro, Philippines. It is known for its naturally heated sulfuric waters that emerge from underground sources and are collected in developed bathing pools. Surrounded by rural vegetation and managed as a local community resort, the spring is visited for warm-water bathing and relaxation and is noted for its distinctive sulfur odor and reputed therapeutic properties.

Visitors can expect a simple, community-managed hot spring resort with concrete bathing pools fed by naturally hot sulfuric water. The setting is rural and vegetated, with basic pools of varying temperature, open-air bathing areas, and small cottages for resting. The water has a noticeable sulfur smell and warm temperature. Facilities are basic and functional, focused on soaking and bathing rather than large-scale resort development.