Official Cheongju reservations show Cheongnamdae tours on Wednesday November 25, Saturday November 28, and Sunday November 29, 2026. Each runs 09:00–17:00 with up to 40 people and is paid. Book the November 25 tour by November 23 at 14:00; the November 28 and 29 departures close November 26 at 14:00. Availability, precise fares and boarding points need reconfirmation.