Cordillera de Guanacaste
Protected areas located in the mountain range include Guanacaste National Park established in July 1991 and Area de Conservación Guanacaste World Heritage Site inscribed by UNESCO as a World Heritage Site in December 1999 . 
<triplet> Area de Conservación Guanacaste World Heritage Site <subj> World Heritage Site <obj> heritage designation <triplet> World Heritage Site <subj> UNESCO <obj> maintained by