Geography of the Philippines Bay. Laguna de Bay, east of Manila Bay, is the largest freshwater lake in the Philippines. Several rivers have been harnessed for hydroelectric power. To protect the country's biological resources, the government has taken a first step of preparing a Biodiversity Action Plan to address conservation of threatened species. The islands are volcanic in origin, being part of the Pacific Ring of Fire, and are mostly mountainous. The highest point in the country is the peak of Mount Apo in Mindanao, which is above sea level. The second highest point can be found on Luzon at Mount Pulag, a peak
Bay, Laguna Bay, Laguna ', (pronounced as "Ba-eh"), officially the ', (), is a in the province of , . According to the , it has a population of people. It is located at the east of Los Baños, west of Calauan, northeast of Santo Tomas and northwest of Alaminos. The Patron of Bay is Saint Augustine of Hippo celebrating his Feast Day during August 28. Laguna de Bay, the country's largest freshwater lake, is named after the town. Just like the rest of the archipelago, the town of Bay has no record before the coming of Spaniards in the 18th century.