Tongass National Forest covers the majority of the islands. You can reached Islands only by boat or airplane. The largest islands include Chichagof, Admiralty, Baranof, Kupreanof, Kuiu, Mitkof, Wrangell, Prince of Wales, and Revillagigedo.
Glacier Bay National Park and Preserve, Kluane National Park and Reserve, Wrangell-St. Elias National Park and Preserve, and Tatshenshini-Alsek National Park are all part of the archipelago. Together, they form the largest continuously protected area on Earth and a UNESCO World Heritage site. It is also home to Sitka National Historical Park, as well as the Misty Fjords and Admiralty national monuments.
Chatham Strait, a narrow strait through the northern Alexander Archipelago in southeastern Alaska. It stretches approximately 150 miles, past Chichagof Island and Baranof Island on the west and Admiralty Island and Kuiu island on the east, to Coronation Island and the open sea.