Location of Suwon

There are a few hills around Suwon. The highest of these is Gwanggyosan to the north, on the border with Yongin, though those to the east are more numerous. Gwanggyosan is 582 metres (1,909 ft) above sea level.

Most of the streams passing through Suwon originate on Gwanggyosan or other nearby peaks. Since Suwon is bounded to the east by other hills, the streams, chiefly the Suwoncheon(and one notable tributary being the Jungbocheon), flow southwards through the city, eventually emptying into the Yellow Sea at Asan Bay. The entirety of Suwon is drained in this manner.

As is true of all the South Korean mainland, there are no natural lakes in Suwon. There are, however,