Sierra Calderona Natural Park is a protected area located in the province of Naquera in eastern Spain, between the cities of Valencia and Castellón de la Plana. The park was created in 2002 and covers an area of about 18,000 hectares.

Sierra Calderona is rich in natural resources and biodiversity. Various ecosystems can be found here, from Mediterranean forests to high mountain pastures. The park is home to many species of animals and plants, including griffon vultures, eagles, and lynx.

The park offers various routes for hiking and cycling, and there are also many picnic areas and viewpoints where you can enjoy the beautiful views of the surrounding mountains and valleys. Sierra Calderona Natural Park is a popular place for nature recreation and relaxation in Valencia.