The Agusan River is a river on Mindanao in the Philippines. The river rises east of Tagum in Davao province and runs due north for 400 kilometres through Agusan del Sur and Agusan del Norte provinces. It enters the Bohol Sea at Butuan. It is the longest river in Mindanao. Map of the Philippines showing the island groups of Luzon, Visayas, and Mindanao. ... Davao refers to several places in Mindanao in the Philippines. ... Agusan del Sur is a landlocked province of the Philippines located in the Caraga region in Mindanao. ... Agusan del Norte is a province of the Philippines located in the Caraga region in Mindanao. ... The Bohol Sea, also called the Mindanao Sea, is located between Visayas and Mindanao in the Philippines. ... Butuan City is a 1st class city in the province of Agusan del Norte, Philippines. ... Map of the Philippines showing the island groups of Luzon, Visayas, and Mindanao. ...
Its capital is Prosperidad and borders, from the north clockwise, Agusan del Norte, Surigao del Sur, Davao Oriental, Compostela Valley, Davao, Bukidnon, and Misamis Oriental.
The Agusan del Sur population is predominantly composed of immigrants from the Visayas.
Agusan del Sur is an elongated basin formation with mountain ranges in the eastern and western sides forming a valley, which occupies the central longitudinal section of the land.