Quezon City shares border with Marikina
Geography
The geography of Quezon City is characterized by undulating terrain. The city is within the catchment area of five river systems – Marikina, Pasig, San Juan, Tullahan and Meycauayan – along with their creeks and tributaries with a total length of almost 200 km (120 mi). The city has an area of 161.11 km2 (62.20 sq mi), according to the 1995 GIS graphical plot, making it the largest Local Government Unit (LGU) in Metro Manila in terms of land area. Since its creation in 1939, the city's boundary were revised four times; the final revision was made thru Republic Act No. 1575, which placed the city's territory at 151.06 square kilometers (58.32 sq mi). Meanwhile, the Philippine Statistics Authority placed the city's land area at 171.71 square kilometers (66.30 sq mi), based on data provided by the Land Management Bureau. According to the Philippine Institute of Volcanology and Seismology and Geoscience Australia on their study earthquake impact and risk assessment on the Greater Metropolitan Manila Area, the total area of Quezon City is at 165.33 km2 (64 sq mi).Quezon City is bounded by Rodriguez to the north, Marikina and San Mateo to the east, Pasig to the southeast, Mandaluyong and San Juan to the south, Manila to the southwest, and Caloocan and Valenzuela to the west and northwest. The city lies on the Guadalupe Plateau, a relatively high plateau at the northeast of the metropolis situated between the lowlands of Manila to the southwest and the Marikina River Valley to the east. The highest elevation in Quezon City is the northern tip of the La Mesa Watershed Reservation at 250 meters (820 ft) above sea level. The West Valley Fault traverses the eastern border of the city.
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