Gölcük Natural Park is located in the north of the Bolu Province, Turkey. It is 15 kilometer far from Bolu and the altitude is 1250 meters. The links for "Gölcük" are: http://tr.wikipedia.org/wiki/G%C3%B6lc%C3%BCk,_Bolu http://www.gizlicennetler.com/yazici.asp?gc=ba5b5b0bf8c29ffb292f9e3bdb96a14b&sayfa=all http://www.gunaydingezginler.com/turkiye-gezi-yazilari/bolu/golcuk-tabiat-parki/