At National Oseosan Recreation Forest in Boryeong, natural dyeing with forest materials is listed for 1,500 won, March–November except Tuesdays, 10:00–12:00 / 14:00–17:00. Individuals sign up onsite and groups book in advance at the craft room.
Separate cypress woodcrafts are pencil holder 10,000 won, mood lamp 15,000 won, tray 16,000 won, and money box 18,000 won. The official list describes these for March–November except Tuesdays, though individual time windows may differ. Dyeing and wooden crafts are different activities with separate charges.
Address: 531 Oseosan-gil, Cheongna-myeon, Boryeong, Chungnam; phone 041-936-5465. These are posted fees; live spaces and material stocks were not verified.