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 de Bay Talim, which falls under the jurisdiction of the towns of Binangonan and Cardona in Rizal province. The lake is one of the primary sources of freshwater fish in the country. Its water drains to Manila Bay via the Pasig River. Laguna de Bay means "Lagoon of [the town of] Bay" for the lakeshore town of Bay (pronounced as "Bä'ï"), the former provincial capital of Laguna province. Alternate spellings of the town's name include "Bae" or "Ba-i", and in the early colonial times, "Bayi" or "Vahi". Thus, the lake is sometimes spelled as "Laguna de Bae" or "Laguna de Ba-i", mostly