
Donsol is a 1st class municipality in the province of Sorsogon, Philippines. According to the 2007 census, it has a population of 43,996 inhabitants.
Donsol is a popular tourist destination for the whale sharks that can be seen in the bordering seas. Swimming with whale sharks was featured as the Best Animal Encounter in Asia by Time Magazine in 2004. Whale sharks can be seen between November and June, with presence peaking between February and May.
Donsol has a not so known but equally unique Firefly tour available all-year round. Donsol is also becoming the best jump-off and base for divers to the Manta Bowl and San Miguel Island in Ticao due to the existence of better tourist facilities than the other rural towns. Donsol also has great trekking and biking site due mainly to the abundance of hilly areas and fields.