Tongass National Forest America’s Largest National Forest and a Global Carbon Stronghold
The Tongass National Forest in southeast Alaska remains the largest national forest in the United States, spanning approximately 17 million acres. Covering nearly 80% of Alaska’s southeastern panhandle, it is also recognised as the world’s largest intact temperate rainforest, making it one of the planet’s most important natural carbon sinks and biodiversity hotspots.
Stretching across the Alexander Archipelago and the coastal mainland, the Tongass features dense old growth forests, wetlands, glaciers, fjords and more than 1,100 islands. The region contains over 11,000 miles of shoreline and nearly 17,000 miles of rivers, streams and lakes, creating one of North America’s richest ecosystems.
The forest’s old-growth Sitka spruce, western hemlock and Alaska yellow cedar trees,...









