Osan 오산시
http://www.osan.go.kr/eng/index.jsp
http://en.wikipedia.org/wiki/Osan
Map:
Places of Interest:
The Mulhyanggi Arboretum: http://english.visitkorea.or.kr/enu/SI/SI_EN_3_1_1_1.jsp?cid=822897
Yongin Hanhwa Resort Sledding Hills Range: http://www.hanwharesort.co.kr/irsweb/resort2/eng/index.html
Doksan Castle and Semadaeji: http://www.osan.go.kr/eng/sub04_01.jsp
Video: