Park does not close.
Wikipedia https://en.wikipedia.org/wiki/Nakseongdae
More information on visitseoul.net http://www.visitseoul.net/en/article/article.do?_method=view&art_id=704&lang=en&m=0004003002002&p=03
Phone +82 2 885 5975
Address 228 Bongcheon-dong, Gwanak-gu, Seoul, South Korea
Coordinates 37°28'15.971" N 126°57'35.885" E