The Central Seoul Parks and Leisure Center lists ‘Namsan Forest Detective’ for November 1, 15, 22 and 29, 2026, starting at Hannam Children's Forest Experience Site. Elementary-age children or older join a guardian in observing nature using maps, QR codes and mission sheets. Applications through Seoul Public Service Reservation open October 20 at 14:00 and had not opened at the time of this check. Guardians must attend; public transport is recommended because designated parking is not advertised.