Southern Climes

Although tropical environments make up a small portion of American landscapes, they protect valuable natural resources and diverse and vibrant cultures. Warm temperatures, high humidity, and heavy rainfall are just some of the traits that distinguish the tropics from America’s temperate lands. The tropical parks provide a haven for a unique set of plants and animals. Discover these special species and learn how the tropics contribute to the diversity of life in America’s national parks.

Map of the United States showing all units of the National Park System

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Last updated: February 5, 2019