Tongass National Forest
The Tongass National Forest () in Southeast Alaska is the largest U.S. National Forest at 16.7 million acres (26,100 sq mi; 6,800,000 ha; 68,000 km2), an expanse larger than 10 U.S. states and 75 U.N. member nations. Most of its area is temperate rain forest and is remote enough to be home to many species of endangered and rare flora and fauna.