William Henry Bay
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William Henry Bay | |
|---|---|
Bay | |
| Coordinates: 58°43′3.72″N 135°14′21.84″W / 58.7177000°N 135.2394000°W | |
| Country | United States |
| State | Alaska |
| Borough | Haines Borough |
| Time zone | UTC-9 (Alaska (AKST)) |
| • Summer (DST) | UTC-8 (AKDT) |
William Henry Bay is a waterway in the U.S. state of Alaska. It is located near Haines in the Alexander Archipelago.[1][2] The only commercial copper deposit in Southeast Alaska situated north of Prince of Wales Island was located in the bay.[3] Significant gold and strategic mineral anomalies were found at William Henry Bay during surveys in 2011.[4]


The bay is situated 45 miles (72 km) northwest of Juneau on the western portion of the Lynn Canal.[5] It is about 0.75 miles (0.65 nmi; 1.21 km) long and about 4 cables — i.e., about 960 yards (880 m) — in width. The Beardslee River flows down a few cascades into its head.[6] About 4 miles (6.4 km) northwest of the bay is the Endicott River, coming in from the west through a narrow, deep gorge in the mountains.[7]