Bonghwa County's official Cheongnyangsan Museum visitor page lists March–October hours of 09:00–18:00 and November–February hours of 09:00–17:00. General admission is free. It closes Mondays, January 1, and during Lunar New Year and Chuseok holidays. Photography and food are prohibited inside the galleries. Strollers and wheelchairs may be borrowed free, but stroller loans are limited to children aged 30 months or younger. Student groups need an accompanying teacher. Museum hours are not the same as hiking-trail or parking rules in the provincial park. The museum-specific visitor page is marked updated January 30, 2026; confirm temporary closures with its team on 054-679-6671. An official Bonghwa County exhibition notice dated September 14, 2026 also lists 'Painting Cheongnyang' in the first-floor special gallery from September 16, 2026 to March 28, 2027, displaying 82 works by Kim Dae-won: 32 ink paintings of the mountain and 50 reproduced prints. Verify any exhibition-specific conditions separately.