what is the largest forest in the united states.

The Tongass National Forest, situated in Southeast Alaska, holds the distinction of being the largest U.S. National Forest, covering an impressive 16.7 million acres (26,100 square miles; 6,800,000 hectares; 68,000 square kilometers). Encompassing primarily temperate rainforest, this vast and remote expanse serves as a habitat for numerous endangered and rare plant and animal species.

Stretching across the Inside Passage, the Tongass stands as the largest National Forest in the nation, boasting an immense land area. As you venture through Southeast Alaska, you’ll encounter remnants of ancient glaciers that once shaped much of the North American landscape.

However, when it comes to forests on a global scale, there’s one that reigns supreme—the South American Amazon. This iconic forest, known as the forest of all forests, covers a staggering 5,500,000 square kilometers. Not only does it hold the title for the largest forested area, but it also nurtures one in ten of all existing species on Earth. The South American Amazon stands unparalleled in fame and ecological significance.

what is the largest forest in the united states.

Forests play a crucial role in maintaining ecological balance, providing habitats for wildlife, and acting as carbon sinks. The United States is blessed with vast forested areas, but which one holds the distinction of being the largest? In this article, we’ll explore the answer to this question and discover the immense significance of this expansive natural treasure.

Overview of U.S. Forests

The United States boasts an impressive expanse of forests, covering approximately 33% of its total land area. These forests are distributed across the country, from the lush greenery of the Pacific Northwest to the dense woodlands of the Appalachian Mountains. Each forest contributes uniquely to the nation’s ecological and environmental health.

The Largest Forest in the United States

Towering above all other forests, the honor of being the largest in the United States goes to the Tongass National Forest. Located in the southeastern part of Alaska, the Tongass National Forest is a mesmerizing expanse of wilderness.

Location and Size

The Tongass National Forest sprawls across a staggering 16.7 million acres, making it the largest national forest in the country. To put this into perspective, it is approximately three times the size of Yellowstone National Park. This immense forest is a testament to the grandeur and beauty of Alaska’s landscape.

Biodiversity and Wildlife

The Tongass National Forest is renowned for its exceptional biodiversity. It encompasses a wide variety of ecosystems, ranging from temperate rainforests and towering mountains to icy fjords. This diversity fosters a rich array of wildlife, including brown bears, wolves, bald eagles, and various species of salmon.

Environmental Importance

As one of the last remaining temperate rainforests on Earth, the Tongass plays a vital role in combating climate change. Its ancient trees act as carbon sinks, absorbing a substantial amount of carbon dioxide from the atmosphere. The forest also helps regulate local and global climate patterns.

History and Conservation Efforts

The history of the Tongass National Forest is deeply intertwined with the indigenous cultures of Alaska. Native Alaskan communities have been stewards of this land for thousands of years, relying on its resources while maintaining a profound respect for nature.

However, the forest has faced its share of challenges, including large-scale logging operations. In recent years, conservation efforts have been implemented to protect the forest’s pristine ecosystem and cultural heritage.

Recreational Activities

Apart from its ecological significance, the Tongass National Forest provides numerous recreational opportunities. Outdoor enthusiasts can indulge in activities such as hiking, fishing, kayaking, and wildlife spotting, all while being immersed in the breathtaking wilderness.

Challenges and Threats

Despite its protected status, the Tongass National Forest still faces threats. Climate change, illegal logging, and resource extraction pose significant challenges to its delicate ecosystem. Continued efforts are necessary to safeguard this natural wonder for future generations.

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Future Sustainability

Ensuring the long-term sustainability of the Tongass National Forest requires collaborative efforts from government agencies, local communities, and conservation organizations. Sustainable practices and responsible tourism can strike a balance between preserving the environment and meeting human needs.


1. Is the Tongass National Forest open to the public for recreational activities?

Yes, the Tongass National Forest offers a wide range of recreational activities for visitors to enjoy, such as hiking, fishing, and wildlife viewing.

2. How big is the Tongass National Forest compared to other national parks?

The Tongass National Forest is approximately three times the size of Yellowstone National Park, making it the largest national forest in the United States.

3. Why is the Tongass National Forest essential for combating climate change?

The Tongass’s ancient trees act as carbon sinks, absorbing significant amounts of carbon dioxide from the atmosphere, thus helping combat climate change.

4. What are some of the challenges the Tongass National Forest faces today?

The forest faces challenges such as climate change, illegal logging, and resource extraction, which threaten its delicate ecosystem.

5. How can individuals contribute to the conservation of the Tongass National Forest?

Individuals can support conservation efforts by promoting sustainable practices, supporting local communities, and advocating for responsible tourism in the region.


The Tongass National Forest stands as a testament to the diverse and awe-inspiring landscapes found in the United States. Its status as the largest national forest highlights its significance in environmental conservation and biodiversity preservation. As we move forward, it is essential to protect and cherish this natural treasure for the well-being of our planet and the enjoyment of future generations.

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