Editor’s note: This article is the fourth in a multi-part series exploring key locations on the inter-Korean border that tourists can visit. Part one about remote border islands in the Yellow Sea can be read here, part two about the Joint Security Area in Panmunjom can be found here and part three about the east coast can be found here.

In the western part of South Korea, where the Han River meets the sea, the demilitarized zone (DMZ) that has long divided the Korean Peninsula ends and only a few kilometers of water separate the country from North