The official Chungnam page describes Hongseong City Tour from February to December, generally 10 a.m.–5:30 p.m. subject to arrangement. Bus fares are listed at KRW 5,000 for adults and KRW 3,000 for children, teenagers and military personnel; a bus tour may be canceled with fewer than 10 travelers. Sinbaram tourist taxi bookings can be made via the Loyqu app or 02-6952-3125, priced at KRW 50,000 for 4 hours or KRW 70,000 for 6 hours. The stated 44% county support may depend on budget and eligibility. Confirm departures with the Hongju foundation (041-634-8705).