the victims. In 2010, Del De Guzman elected mayor of Marikina, ending Fernando's era after almost 2 decades. Geography Skyline of Marikina City, showing the Sierra Madre mountains during dawn. Marikina River , view from top. Waterways in Marikina Marikina River Nangka River Balanti Creek Sapang Baho Creek Bangkaan Creek Concepcion Creek