Susung Lake (located in Susung Gu) is a popular hang out for couples having 'romantic' dates.  There are hundreds of coffee shops and restaurants lining the lake (Glass Castle, across from Hoban offers atmosphere, views of the lake, good service and the menu includes excellent red snapper, steak, fajitas and the like).
In better weather two sides of the lake are lined by Pojangmacha (drinking tents) doing a lively trade.   Boats can be rented to drift around the lake, and next door is a small amusement park.
กแ 725, Sang-dong, Suseong-gu *Suseong Park Land Tel. (+82-53)762-8400   *Suseong Land Tel.(+82-53)762-6622