Daily: 5 a.m. - 10 p.m.
The zoo and botanical gardens close at 5 or 6 p.m. (depending on weather conditions and season)
No admission fee.
Wikipedia https://ko.wikipedia.org/wiki/어린이대공원_(서울)
Official website http://www.childrenpark.or.kr/
More information on visitseoul.net http://www.visitseoul.net/en/article/article.do?_method=view&art_id=360&lang=en&m=0004003002017&p=03
전화 +82 2 450 9311
주소 18 Neung-dong-ro, Gwangjin-gu, Seoul, South Korea
좌표 37°32'56.337" N 127°4'52.626" E