What is the largest national forest in the United States?

The largest national forest in the United States is the Tongass National Forest, located in southeastern Alaska. Covering approximately 16.7 million acres, it is the largest temperate rainforest in the world. The Tongass National Forest is known for its diverse ecosystems, including old-growth forests, glaciers, rivers, and coastal waters. The forest is home to a wide variety of wildlife, including bears, eagles, and salmon. It also plays a critical role in environmental conservation and climate regulation.