Oyo River
River in Yogyakarta, Indonesia
From Wikipedia, the free encyclopedia
The Oyo River is a river in southern Central Java and Yogyakarta, in the central south area of Java island, Indonesia.[1] It is a tributary of the Opak River.
| Oyo River Sungai Oyo, Kali Oyo, Kali Ojo, Sungai Oya, Kali Oja | |
|---|---|
  Location of river mouth  Oyo River (Indonesia) | |
| Location | |
| Country | Indonesia |
| State | Yogyakarta |
| Region | Bantul Regency, Wonogiri Regency |
| Physical characteristics | |
| Source | |
| • location | Wonogiri Regency |
| Mouth | Opak River |
• location | Bantul Regency |
• coordinates | 7.95583°S 110.36583°E |
It was the river on which the historical palaces of Mataram were located - Sultan Agung's Karta palace, and his son's Plered palace.
Geography
The river flows in the southwest area of Java with predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).[2] The annual average temperature in the area is 23 °C. The warmest month is October, when the average temperature is around 24 °C, and the coldest is January, at 22 °C.[3] 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.[4]