Wed - Sun: 9 a.m. - 9 p.m. ( - 8 p.m. November - March)
No admission fee.
More information on visitseoul.net http://www.visitseoul.net/en/article/article.do?_method=view&art_id=10927&lang=en&m=0004003002026&p=03
Phone +82 2 2264 4412
Address 84-1 Pildong 2-ga, Jung-gu, Seoul, South Korea
Coordinates 37°33'26.014" N 126°59'38.126" E