The Simav () or Susurluk RiverTurkish General Directorate of State Water Works (DSİ).

" Archive accessed 3 Sept. 2011. (''Susurluk Çayı'') is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Anatolia Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

. Its course is 321 km long and its basin comprises 22,400 km². It was the classical Macestus Hazlitt, W. '' The Classical Gazetteer: A Dictionary of Ancient Geography, Sacred and Profane.'' "." Whittaker & Co. (London), 1851. Accessed 4 Sept. 2011. (; , ''Mékestos''). In the 19th century, it was known as the Mikalick. The Simav has its source in

Kütahya Province Kütahya Province () is a Provinces of Turkey, province in the Aegean Region, Aegean region of Turkey. Its area is 11,634 km2, and its population is 580,701 (2022). In 1990, Kütahya had a population of 578,000. The neighboring provinces a ...

, from which it flows north across the plain of Simav into

Balıkesir Province Balıkesir Province () is a Provinces of Turkey, province and Metropolitan municipalities in Turkey, metropolitan municipality in northwestern Turkey with coastlines on both the Sea of Marmara and the Aegean Sea, Aegean. Its area is 14,583 km ...

. There is a reservoir at the Çaygören Dam,Turkish General Directorate of State Water Works (DSİ).
Çaygören Baraji
(tr). Archive accessed 3 Sept. 2011. out of which the Simav flows past

Susurluk Susurluk is a municipality and Districts of Turkey, district of Balıkesir Province, Turkey. Its area is 652 km2, and its population is 37,724 (2022). It is famous for its production of soap and dairy products. The highway from Istanbul to � ...

and meets the Adirnaz. During the classical period, the Macestus was a tributary of the Rhyndacus (the modern Adirnaz), but today the Simav forms the main course from their confluence near

Karacabey Karacabey is a municipality and district of Bursa Province, Turkey. Its area is 1,158 km2, and its population is 84,907 (2022). It is located just west of the Simav River near its confluence with the Adirnaz River. The district of Karacabe ...

down to the

Sea of Marmara The Sea of Marmara, also known as the Sea of Marmora or the Marmara Sea, is a small inland sea entirely within the borders of Turkey. It links the Black Sea and the Aegean Sea via the Bosporus and Dardanelles straits, separating Turkey's E ...

. Along the way, it meets the

Nilüfer River The Nilufer or Niloufer River () is a List of rivers of Turkey, river in Bursa Province, Turkey. From its source near Uludağ, Mount Uludağ (the classical Mysian Olympus) and flowing past the city of Bursa, the river tends to the northwest along ...

(the classical Odrysses). Its mouth faces the island of Imrali, a high-security prison.

References

External links

A map of the Simav Basin
(tr) Rivers of Turkey Landforms of Kütahya Province Landforms of Balıkesir Province Landforms of Bursa Province {{Turkey-river-stub