page_title: University of the Philippines Diliman
section_title: Sunken Garden
hierarchical_section_title: University of the Philippines Diliman / Campus / Sunken Garden
caption_attribution_description: English: A view of UP Diliman's Sunken Garden taken from inside a jeepney in transit along the Academic Oval.
context_page_description: The University of the Philippines Diliman, also referred to as UPD, UP Diliman, or simply University of the Philippines or UP, is a coeducational, public research university located in Diliman, Quezon City, Philippines. It was established on February 12, 1949 as the flagship campus and seat of administration of the University of the Philippines System, the national university of the Philippines.
  It is the fourth oldest constituent university of UP and is the largest constituent university in the University of the Philippines System in terms of number of degree-granting academic units, student population, faculty, and library resources. There are 27 degree-granting units on campus, accounting for 22,031 students of which, 15,299 are undergraduates. UP Diliman had a complement of 1,526 full-time faculty in 2012, of whom 528 have doctoral degrees.
  In addition to the units in the main campus, UP Diliman has extension programs in Angeles City and Olongapo City as well as a marine laboratory in Bolinao, Pangasinan under The Marine Science Institute, and an annex campus at Bonifacio Global City, a financial district in the city of Taguig.
context_section_description: The Gen. Antonio Luna Parade Grounds, or commonly known as the Sunken Garden, is a 5-hectare (12-acre) natural depression found on the eastern side of the campus and at the end of the Academic Oval circle. Sunken Garden is enclosed by the UP Diliman Main Library, College of Social Sciences and Philosophy's Department of Psychology, College of Education, Student Activity Center/Vinzons Hall, College of Business Administration, School of Economics and College of Law. The Grounds was originally a property of the UP Reserved Officers' Training Corps when the campus was founded in 1949.
  Gen. Antonio Luna Parade Grounds acquired its name Sunken Garden due to its basin-shaped low-level formation that has the deepest point of 65 meters above sea level (contrary to university's height of over hundreds of meters above sea level). The Sunken Garden is the venue of the annual U.P. Fair as well as for sports tournaments, including football, frisbee and volleyball. Sometimes, the Department of Military Science and Tactics hold training in the area.
  According to local lore, the Sunken Garden sinks by about two inches every year. Though this has not been verified in any study, some have posited reasons for the sinking: one is that it is because of underground trenches over the campus' sewer system that connect to the Marikina Fault Line, an active geologic structure that runs across the east of Metro Manila. Another theory is that the depression was due to the emptying of former streams in the Sunken Garden that were prominent in the 1950s. These streams formerly run from the Katipunan Avenue, going to the garden itself and leaves the campus for the Commonwealth Avenue.
caption: The Sunken Garden during the summer
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