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 Lakeshore Expressway Dike southern part of Metro Manila and Laguna, as well as a dike that would mitigate flooding in the western coastal communities along Laguna Lake. The expressway will cost an estimated PHP36.74 billion or US$854.42 million. When constructed, it is expected to ease traffic congestion along Muntinlupa and Calamba area, and to serve as flood control measure for communities on the western shore of Laguna de Bay. The route alignment starts from Bicutan, Taguig connecting to the proposed C-6 Expressway Road Project. It traverses southwards passing the city boundaries of Taguig, Parañaque and Muntinlupa in the southern part of Metro Manila