Progo River Sungai Progo, Kali Progo, Kali Prage, Kali Praga, Praga River
Progo River in Yogyakarta
Location
Country	Indonesia
Province	Central Java
Physical characteristics
Source	Mount Sundoro
2nd source	Mount Sumbing
3rd source	Mount Telomoyo
4th source	Mount Merbabu
5th source	Mount Merapi
Mouth
• location	Indian Ocean, Trisik Beach, Kulon Progo Regency, Yogyakarta,
• coordinates	7°58′56″S 110°12′10″E / 7.98222°S 110.20278°E / -7.98222; 110.20278
Basin size	2,462 km2 (951 sq mi) [1]
Basin features
River system	Progo basin (DAS230622)
Basin Management Authority	BPDAS Serayu Opak Progo
Progo

The Progo River (Javanese: Kali Praga, ꦏꦭꦶꦥꦿꦒ, Javanese pronunciation: ['kali 'prɔgɔ]) is a river in southern central Java, Indonesia.^[2] The river passes through two provinces; Central Java and Yogyakarta Special Region. The source of the river is on the slopes of Mount Sindoro, Central Java.

Hydrology

The river runs to the southeast through the city of Magelang, then through the historical Kedu Plain passing near the well known Borobudur, Mendut, and Pawon temples. Reaching the province of Yogyakarta the river forms a natural boundary between Sleman Regency, Kulon Progo Regency and Bantul Regency. The mouth of the river is located at Trisik beach on the southern shore of Java facing Indian Ocean.

Geography

The river flows in the southwest area of Java with predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).^[3] The annual average temperature in the area is 24 °C. The warmest month is January, when the average temperature is around 27 °C, and the coldest is July, at 23 °C.^[4] The average annual rainfall is 2970 mm. The wettest month is January, with an average of 537 mm rainfall, and the driest is September, with 22 mm rainfall.^[5]