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Oncheoncheon (Korean: 온천천), also Oncheon Stream or Oncheon River, is a tributary of the Suyeong River in Busan, South Korea. It was previously known as the Seocheon or Dongnaecheon. The source of the river is on Geumjeongsan.It then flows through the built-up area of Busan, passing between Allak-dong (Dongnae District) and Yeonsan-dong (Yeonje District) along the way.

Busanwondong station (Korean: 부산원동역; Hanja: 釜山院洞驛) is a railway station of the Donghae Line between Allak-dong, Dongnae District and Banyeo-dong, Haeundae District, Busan, South Korea. The station is unrelated to the Wondong station of Gyeongbu Railway. The groundbreaking ceremony was held on August 8, 2017 and was opened on March 28, 2020.