The Pulangi River is 320-kilometer extensive river system in Mindanao. It traverses majority of Bukidnon's cities and municipalities. Pulangi River is also one of the major tributaries of the Rio Grande of Mindanao.
The river got its name from the Manobo term "Empamulangi", which means "center of the island". Pulangi River lies at the center of Mindanao.