San Agustin Parish Church (Bay, Laguna) San Agustin Parish Church (Bay, Laguna) St. Augustine Parish Church (Filipino: "Simbahan at Parokya ni San Agustin") is the only Augustinian Roman Catholic church in Bay, Laguna, in the Philippines. The church was first administered by Augustinians friars and later transferred to the Franciscans. The current parish priest is Reverend Father John F. Tabot. It is historically considered as the oldest Roman Catholic church in the Province of Laguna upon the early conquest and establishment of La Laguna. The first church of Bay was constructed made of light material of bamboo and nipa by the first ever catholic missionaries in
Lumban, Laguna a popular recreational area for numerous water sports and fishing. The dam construction was started in 1939 and a small hydroelectric plant was operated in 1942. Lake Caliraya was later connected with another man-made lake, Lumot Lake, to provide more water through a 2.3 km (1.4 mi) underground penstock. Later still the dam and lake were used as the upper reservoir for the Kalayaan Pumped-Storage Hydroelectric plant located west of Lake Caliraya, with Laguna de Bay as the lower reservoir. In the , the population of Lumban, Laguna, was people, with a density of . The town fiesta is held