The Suwoncheon, the main stream in Suwon, flows through the centre of the fortress.
•
Namsumun, meaning South Floodgate, sat across the Suwoncheon at the downstream end of the city walls.
•
Dongnam Gongsimdon, like that standing by Hwaseomun, was an observation tower standing beside the Suwoncheon.
•
Hwahongmun, otherwise known as Buksumun, is the gate under which the Suwoncheon flows on entering the area encompassed by Hwaseong.