Indonesia nature is very rich. Besides having many active volcanoes, it also has a lot of rivers. These rivers stretch across all islands. The river as one of the water sources on Earth has many benefits for humans, animals, plants, and the balance of the universe. The river is a water source that begins from a particular spring or a collection of several springs that merge into one and flow along the stream and pathway until it culminates in a single destination that is a river estuary. These rivers stretch across all the islands of Indonesia, one of which is the island Java. Here are the popular rivers in Java Island.
1. Bengawan Solo
The river is approximately 548.53 km length and flows two provinces of Central Java and East Java. In addition, Sungao Bengawan Solo is also admired by people around the world, especially Japan because it is inspired by Gonang’s keroncong song titled the same, Bengawan Solo.
2. Brantas
This river flow through several areas in East Java include Malang, Blitar, Tulungagung, Kediri, Jombang, and Mojokerto. Its length reaches 320 km (the length of the main river). In this river you can find a big bridge in the middle of this stream.
3. Serayu
The river is located on the slopes of Mount Prahu in Dieng, Wonosobo. Its spring is known as Tuk Bima Lukar (the spring of Bima Lukar). Having many tributaries, the total Serayu river basin is 4,375 km². Flows more or less west-southwest, on the south side the stream is bordered by a series of hills called the Serayu Selatan Mountains.
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4. Citarum
Citarum supplies water for the livelihood needs of 28 Million people, a river that is a source of drinking water for people in Jakarta, Bekasi, Karawang, Purwakarta, and Bandung. With the length of around 269 km, it also drains the irrigated area for agriculture area of 420,000 hectares. Citarum is the source of Indonesia’s economic pulse of 20% GDP (Gross Domestic Product) with an industrial stretch along the Citarum river.
5. Ci liwung
6. Pesanggrahan
Pesanggrahan is one of the most famous rivers in the area of DKI Jakarta. However, when compared with other rivers, the river of Pesanggrahan can be categorized as the cleanest river. Therefore, there is no of floods that occurs due to the river flow.
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7. Kali Angke
This is a river that does not easily dry even when the dry season arrives. This is because this river has upstream in the mountains directly. Water in the river is often brown. This is because there is some mud content in this river that makes the flowing water looks brown.
8. Cisadane
With an overall length of about 126 km, this river on the lower reaches is wide enough and can be navigated by small boats. In the 16th century Tangerang (referred to by Tome Pires as Tamgaram) situated on the banks of this river, has become one of the important ports but later lost by the development of Bantam and Batavia.
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9. Kalimas
If you are down the river Kalimas in Surabaya, you can save a lot of beauty. In addition to the clean rivers, you can also see many parks on the edge of the river. During this riverbanks identical to the slums but with good municipal government management, Surabaya can remove the impression.
10. Progo
The area around this river is suitable for agricultural land. In the Ngluwar district of Magelang regency, the Netherlands has damaged the Progo River for irrigation facilities for the people of Yogyakarta. This dam is known as “Ancol Bligo” which is currently used as a place of recreation. This flow of irrigation flows from Ngluwar towards the east dividing Sleman Regency to Klaten regency and is known as the Mataram Sewer or Van Der Wick.
Those are the ten popular rivers in Java. Each of them has their own function that has been useful for the human life. The people in Java island should keep them clean, so there will be no flood anymore.
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