Namdaecheon is Gangneung’s river corridor from the city toward the East Sea. For a short visit, choose one accessible stretch or the downstream ecological observation area rather than assuming the whole river is a single promenade.
Choose the river section first
The Korea Tourism Organization describes reed scenery at the downstream Namdaecheon Ecological Observation Center and lists the Namdaecheon Public Parking Lot. Its listing gives Gusanan-gil, Seongsan-myeon as the address. Check the map and access point for the part of the river you want; the river crosses a broad area, so a pin on one bank does not define a complete walk.
See the Namdaecheon listing. If your visit is for Gangneung Danoje, use the festival organizer’s current programme for that year; event layouts and access are date-specific. Keep the river walk and the festival plan as separate choices, then confirm your next connection.
For the rest of the day, pair the chosen river section with one nearby meal or city stop. Check the return route before adding the coast; the river itself already runs from central areas toward the sea.