금강
For the Han River watershed, 255 km2 adjacent to Paldonghosu, Namhan River, Bukhan River, and Kyoungan stream was first designated as a Riparian Zone in September 1999. Three successive changes have reduced its size to 191.3㎢. For the Nakdong River, Geum River, and Yeongsan River watershed, major dams and the land near stream flow and lakes, which were used as a water source, were designated as Riparian Buffer Zones in September 2003. For the Nakdong River watershed, three changes have been applied, making the designated area 339.9 km2. For the Geum River watershed, three changes have been applied, making the designated area 373.2 km2. For Yeongsan River watershed, four changes have been applied, making the designated area 295.6 km2.