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
Tadlac Lake de Bay is thinnest northeast of the lake with only about wide piece of land separating it from the larger lake. The Tadlac Barangay Road runs east of the lake but does not circle the lake. Another road runs west of Alligator lake. The lands around the lake are privately owned, and some owners have established resorts around the lake. The Laguna Lake Development Authority (LLDA), as mandated by the government, manages Laguna de Bay and its surrounding areas including Alligator Lake. Lake overturns or carbon dioxide (CO) eruption from deep within, locally called as "langal", normally occurs during the