Top 10's Philippines natural tourist destination for summer. 10. Mount Pulag - (sometimes called as Mount Pulog) is the third highest mountain in the Philippines. It is located in Mt. Pulag National Park. The mountain borders between the provinces of Benguet, Ifugao, and Nueva Vizcaya meet at the mountain's peak. 9. Agusan Marsh One of the most ecologically significant wetland ecosystems in the Philippines, the Agusan Marsh is an area for conservation. It is a very popular destination for bird-watchers from all over the world. 8. Chocolate Hills - It is located in Carmen, Bohol. The hills are so perfectly shaped that it's hard to believe they aren't man-made. During rainy season the hills color is green and brown during summer time. 7. Donsol - It is located in Sorsogon Province. - Donsol is a popular tourist destination for whale shark viewing which can be seen in its bordering seas. Swimming with whale sharks was featured as the Best Animal Enco