금강공원(Geumgang Park)

"Kumkang park is public park of Dongnae-gu, Busan. There are about 100 boulder routes which are very close Oncheon-jang station, subway line 1. You can access esilly from public parking lot. Boulder type is granite. Grade is from VB ~ V6, some are still project and potentional boulder you can devolpe."