Bulgarian National Parks
- Provides information on parks' resources, opportunities for tourism, scientific research, and education. Includes news, nature, management, and gallery.
- http://www.bulgariannationalparks.org/en/index.phtml

Rila National Park
- The largest national park, located in the central and highest regions of the Rila Mountains, contains rare and endangered wildlife species and communities. Includes plants, mushrooms gallery, animals, reserves, and tourism.
- http://www.rilanationalpark.org/

Central Balkan
- This National Park lies in the central and higher portions of the Balkan Range, and contains self-regulating ecosystems of biological diversity.
- http://www.centralbalkannationalpark.org/