Mount Matutum is an ACTIVE stratovolcano, the date of the last eruption is thought to have been in 1911.
Mount Matutum is located in Cotabato, Mindanao island. It a heght of 2,286m with a well preserved 320m wide crater at the volcanoe's summit.
General Santos City, 50th Anniversary #1982 27 Feb 1989
Philippine Lakes #xxx, 5 Nov 2018 and detail locating Mt Matutum
part of a Miniature sheet of 6 (se-tenant block)
First Day Cover