Calabarzon strategic importance, Corregidor is found at the mouth of Manila Bay and is under the jurisdiction of Cavite City. Laguna has rugged terrain, with narrow plains near the shores of Laguna de Bay and mountainous ranges further inland. Laguna de Bay is the largest lake in the Philippines, and is named after the town of Bay. Laguna is also home to Mount Makiling, a dormant volcano near Los Banos reputed for its mystical properties. There are also a lot of hot springs near the Makiling area, especially in San Pablo. Another famous landmark in Laguna are the Pagsanjan Falls, in
Laguna (province) resources of Laguna are in its agriculture and fisheries, owing to its position near the Laguna de Bay and the surrounding lowlands. There are about forty rivers in Laguna with a total area of almost . The Laguna de Bay has an approximate area of broken down into of land and of lake proper with shoreline. The shores of Laguna de Bay provide fishing grounds capable of producing of fish, or roughly two-thirds of the fresh water fish requirements of Metro Manila. Laguna has an estimated 300 million US gallons (1,100,000 m³) of underground water. At least seven principal water