The official closing-day note can't be read as a fixed rule, so we mark it “check before visiting”.
Hours, closed days & admission
Opening hours (official)
09:30-17:30 (Last admission 1 hr before closing)
Closed (official)
Mondays (the following day if Monday is a public holiday), Day of Seollal (Lunar New Year's Day) & Chuseok (Korean Thanksgiving Day) * Open without closure during peak summer season (late July - early August)
Admission
Adults 13,000 won / Teenagers 11,000 won / Children 10,000 won * Refer to website for details
Photos: Korea Tourism Organization (KOGL Type1), shown unaltered.
About
The Anmyondo Jurassic Museum is a natural history museum boasting Korea's largest collection of dinosaur fossils. Its collection features dinosaur specimens such as Diplodocus and Tyrannosaurus, along with dinosaur eggs, sourced from the United States and Argentina.
Source: Korea Tourism Organization open API (modified listing as published). Hours can change without notice — please check the official website or call before visiting.