|• Revised Romanization||Dongnim-gun|
|Region||North Pyongan Province|
|Administrative divisions||1 ŭp, 1 workers' district, 21 ri|
|• Total||415.3 km2 (160.3 sq mi)|
Tongnim County is a kun, or county, in coastal southwestern North Pyongan province, North Korea. It borders Pihyon and Chonma to the north, Sonchon to the east, Cholsan to the southwest, and Yomju to the west. To the south, it looks out on the Yellow Sea.
The landscape is dominated by low, rolling hills and basins. The highest point is Munsusan, rising to 736 m on the northern border. Tongnim is drained by the Chongchon River and its tributaries, including the Maryong River and the Kokchon stream. The year-round average temperature is 8.8 °C; the January mean is -8.7 °C, while the August average is 24 °C. Annual rainfall averages 1000 mm. Some 60% of the county is covered by forestland; only 26% of the area is cultivated.
The cultivated land is irrigated, with corps including rice, maize, soybeans, wheat, barley, and tobacco. Aquaculture is also practiced. There are various mines, and factories producing machinery including pumps. The Pyongui Line railroad passes through Tongnim on its way between Sinuiju and Pyongyang.
- International Information Research Institute (국제정보연구소) (1999). "동림군". 北韓情報總覽 2000 [Bukhan jeongbo chong-ram 2000]. Seoul: Author. p. 841.
- (Korean) In Korean language online encyclopedias: