Namhansanseong

Namhansanseong sits on a ridge about twenty-five kilometres south-east of Seoul, built and rebuilt across centuries as a refuge for the court in an emergency. What makes it unusual is that it is not a keep but an enclosed upland: a wall of roughly twelve kilometres rings a shallow bowl of forest that once held a temporary palace, granaries, command posts and several temples, with a village that is still lived in. The walk around the wall is the point, four hours or so on a well-made path with gates, bastions and long views over the valleys on both sides. The provincial park around it is busy with Seoul hikers at weekends.

What you actually see

• The wall circuit - about twelve kilometres of rampart with four main gates.
• Haenggung - the reconstructed temporary palace inside the walls.
• Sueojangdae - the surviving command pavilion on the western high point.
• The village - the small settlement inside the fortress, with its old temples.

When to go

Autumn is the best season and also the busiest, with Seoul hikers filling the buses from Sanseong station on Saturday and Sunday mornings. Come on a weekday if you can. Winter walking is fine on the cleared paths but the ridge is cold and windy. Start early if you want the full circuit in daylight.

Honest expectations

The buildings inside are mostly reconstructions, so the fortress reads as a walk rather than a monument. The circuit is a proper hike with climbs and uneven stone underfoot. Weekend crowds are heavy and the bus up from the station queues badly. The village inside is lined with restaurants and car parks, which flattens the atmosphere.

Nearby

Seoul is an hour north; Suwon and its own fortress lie to the south-west.