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
Rancho Laguna (Alemany) of Laguna Lake. With Laguna Lake Park, the Laguna Lake Natural Reserve encloses the most of the shoreline of the lake and the lower reach of Prefumo Creek and its delta on the shore of the lake (following its diversion into the late 1950's), omitting only the northernmost area, called the Northwest Inlets. The reserve also encloses a strip of grasslands to the northeast of the lake to near the crest of the serpentine rock ridgeline. Rancho Laguna (Alemany) Rancho Laguna part of the grazing lands granted to Mission San Luis Obispo de Tolosa in 1844, surrounding Laguna Lake at