Durunubi's 2026 program lists the January 21 Infiltration Route theme route in Yeoncheon, capacity 20 per session, focusing on history around the Imjin River and former infiltration routes. 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. Companion identity verification is indicated for this route.