The landscape is dominated by low, rolling hills and basins. The highest point is Munsusan, rising to 736 m on the northern border. Tongrim is drained by the Ch'ŏngch'ŏn River and its tributaries, including the Maryŏng River and the Kokch'ŏn stream. Some 60% of the county is covered by forestland; only 26% of the area is cultivated.^{[citation needed]}

Tongrim county is divided into 1 ŭp (town), 2 rodongjagu (workers' districts) and 20 ri (villages):

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.^{[citation needed]}

The cultivated land is irrigated, with crops including rice, maize, soybeans, wheat, barley, and tobacco. Aquaculture is also practiced. There are various mines and factories producing machinery including pumps.^{[citation needed]}

The P'yŏngŭi Line of the Korean State Railway passes through Tongrim county on its way between Sinŭiju and P'yŏngyang.^{[citation needed]}

Noted landmarks include Tongrim Falls, a 10-meter waterfall, and the Tongrim Manchurian Ash, which is North Korean natural monument No. 11.^{[citation needed]}

• Geography of North Korea
• North Pyongan

• International Information Research Institute (국제정보연구소) (1999). "동림군". 北韓情報總覽 2000 [Bukhan jeongbo chong-ram 2000]. Seoul: Author. p. 841.

• In Korean language online encyclopedias:
  • Doosan Encyclopedia (Encyber)
  • Korean language Britannica (Empas) (Map)
  • Encyclopedia of Korean Culture (Empas)
  • Pascal World Encyclopedia (Nate)