Parks: A Natural Treasure
- Site providing detailed information on the National Parks and Reserves of Costa Rica.
- http://www.costarica.com/Home/Travel/Places_to_Go/National_Parks

Costa Rica National Parks
- Information, trail maps, facilities and driving directions for each of the 161 national parks and wildlife refuges.
- http://www.costarica-nationalparks.com/

Costa Rica's National Parks and Reserves
- Detailed description of 16 National Parks and 10 National Reserves
- http://www.worldheadquarters.com/cr/protected_areas/

The National Parks of Costa Rica
- Site providing brief details on the National Parks of Costa Rica.
- http://www.centralamerica.com/cr/parks/index.htm