Seogang River flows gently from Seonam Village in Yeongwol-gun, Gangwon-do, around Cheongnyeongpo Cape, and into Namhangang River. It is inhabited by fresh water fish, otters, mergansers and mandarin ducks.
Meanwhile, Seonam Village is famous for its shape resembling the Korean Peninsula. Nearby tourist attractions include Seonam Hermitage, Seondol Rock, Cheongnyeongpo Cape, Dangmeoru, and Gwallanjeong Pavilion.