Tongass National Forest, located in Alaska, is the largest national forest in the United States.

Covering over 16.7 million acres, the Tongass is known for its vast wilderness areas, rich biodiversity, and stunning landscapes, including temperate rainforests. It plays a critical role in carbon storage, climate regulation, and providing habitat for wildlife such as bears, wolves, and bald eagles. The forest is also an important resource for timber, fishing, and tourism. Tongass National Forest is managed by the U.S. Forest Service as part of the National Forest System.