Santa Rosa National Park, in Spanish the Parque Nacional Santa Rosa, is a national park, part of the Area de Conservación Guanacaste World Heritage site, in the northern western part of Costa Rica, originally created to protect the scene of the Battle of Santa Rosa, at its eastern edge lies the Interamerican Highway where it is adjacent to the Guanacaste National Park, the main site is 36 kilometres (22 mi) north of Liberia in Guanacaste Province.