The Baekje Cultural Festival is often described as one event, but for a visitor in 2026 it works more accurately as two related city experiences. Gongju’s current official homepage confirms the festival runs October 3-11 around Geumgang Singwan Park, Gongsanseong Fortress and the old downtown. Its most useful practical update is local: a free shuttle links Baekje Culture Hall and Gongsanseong from 13:00 to 23:00 at roughly five-minute intervals, but it does not operate October 6-8. The same homepage lists major parking areas. However, some English and lower-level pages still expose 2025 material, so visitors should treat the current Korean operational layer as the fresher source. Buyeo’s official 2026 site is more complete at the moment. The festival also runs October 3-11, spreading through downtown Buyeo, the Jeongnimsa Temple Site, Seoktap-ro and the Gwanbuk-ri archaeological site. Programs include historical processions, themed performances, a Baekje gilt-bronze incense-burner exhibition, craft and fortress experiences, media-art routes and night scenery. The official English landing page confirms the 2026 dates and core venues, although detailed program information is still clearer in Korean. What is missing is equally important: we did not find current official evidence for a simple dedicated festival shuttle that turns Gongju and Buyeo into one frictionless same-day route. That does not mean travel between the cities is impossible. It means the editorially safer advice is to choose one city as the main plan for a day unless you have independently checked intercity transport and enough time for the transfer. The two cities also tell different parts of Baekje history. Gongju is associated with the Ungjin period and sites such as Gongsanseong, while Buyeo is the Sabi capital landscape. The festival format makes both histories public through performance, light, participation and city streets, but the value comes from understanding the place you are in rather than racing between logos that happen to share a festival name. For international readers, the practical hierarchy is simple. Use current Korean operational pages for the latest shuttle and schedule changes, cross-check the available English layer for orientation, and avoid assuming that a shared festival brand means shared transport, ticketing or identical accessibility. In 2026, the Baekje Cultural Festival is best planned as a choice between two connected but distinct city days.