Durunubi's 2026 program lists the Han River Estuary–Aegibong theme route in Gimpo, capacity 40 per session, focusing on the Jogang estuary and Aegibong lookout. Unlike the cross-country walking route, this theme tour requires booking.
The official application flow lists advance booking, payment (the guide states KRW 10,000 per person), receiving a visit QR code and visiting. Confirm live fees, identity requirements, cancellations and available sessions at booking. Never enter restricted areas without authorization.