The Yetseong-gil section starts at Daenammun Gate, the south-facing of the twelve gates of the fortress wall. As such, it is the only Dulle-gil that passes through the historic structure.
The trail continues along Bibong Ridge, connecting the old capital city limits with Bukhansanseong Fortress, and passing via Changchundaeseong Fortress. Visitors will find the experience akin to time travel as they find themselves surrounded by walls that have borne witness to victories and defeats that determined the course of Korean history.
Once you’ve passed the fortress walls there is an open area where you’ll find an observatory deck that overlooks the Bohyeonbong, Munsubong, Bibong, Hyangnobong, and Joduribong Peaks, surrounded by other mountains.