Inwangsan Mountain
Just northwest of downtown Seoul, Inwangsan rises just 338 meters (1,109 feet), making it an easy place to hike if you want stellar views of Seoul and its ancient fortress wall. A moderate 1.1-mile out-and-back trail takes you along the city wall, past rock formations, and to views of the city. It takes about 45 minutes to complete, but note there are some challenging sections.
