Ganghwa History Museum and Ganghwa Natural History Museum have different exhibitions but publish a combined admission price covering both. The History Museum is at 994-19 Ganghwa-daero, Hajeom-myeon; the Natural History Museum is at 994-33 on the same road.
Tickets: standard adults KRW 3,000; children, teenagers and military personnel KRW 2,000. For groups of at least 20, the prices are KRW 2,500 and KRW 1,500 respectively. Children six and under and visitors 65 or older enter free. Other exemptions, including qualifying residents and disability-related eligibility, require relevant proof under the posted rules.
Both museums list 09:00–18:00 with ticket sales ending at 17:30. Closures are Mondays, January 1, and the day of Seollal and Chuseok. Museum parking is free.
Leave enough time for both buildings and ask the ticket desk how the shared ticket is issued and used between them. Food and pets other than guide dogs are prohibited.