Chatham Strait
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Chatham Strait is a narrow passage of the Alexander Archipelago in the southeastern region of the U.S. state of Alaska. It separates Chichagof Island and Baranof Island to its west from Admiralty Island and Kuiu Island on its east.
It is 150 miles (240 km) long[1] and extends southward from the junction of Icy Strait and Lynn Canal to the open sea. The strait is deep and 5-16 km (3–10 miles) wide.
The southern part of the strait was named Ensenada del Principe in 1775 by Juan Francisco de la Bodega y Quadra. In 1786 La Perouse gave it the name Tschirikow Bay, and in 1789 the fur trader James Colnett named it Christian Sound. Other early fur traders called it Menzies Strait. It received its present name in 1794 when George Vancouver named it Chatham Strait in honor of William Pitt Chatham.[1]