The Mainit Hot Springs Protected Landscape is a protected landscape area located in the province of Davao de Oro on the island of Mindanao in the Philippines. It preserves the sulfuric hot springs and surrounding forest in Nabunturan municipality which also contains the headwaters of the Manat River, a source of water supply for surrounding villages. First declared a national park in 1957 by virtue of Proclamation No. 466 by President Carlos P. Garcia, it had an initial area of 1,381 hectares. Under the National Integrated Protected Areas System, it was reclassified as a protected landscape through Proclamation No. 320 issued in 2000 by President Joseph Estrada. The hot springs are a popular ecotourist attraction in Davao de Oro. Its name "Mainit" is a Filipino word which means hot.