Frederick Sound (also called Prince Frederick Sound or Prince Frederick's Sound) is a passage of water in the Alexander Archipelago in Southeast Alaska that separates Kupreanof Island to the south from Admiralty Island in the north. Frederick Sound was named by Captain

George Vancouver Post-captain, Captain George Vancouver (22 June 1757 – 10 May 1798) was a British Royal Navy officer best known for his Vancouver Expedition, 1791–1795 expedition, which explored and charted North America's northwestern West Coast of the Un ...

for Prince Frederick, Duke of York and Albany. It was first charted in 1794 by two of his men,

Joseph Whidbey Joseph Whidbey FRS (1757 – 9 October 1833) was a member of the Royal Navy who served on the Vancouver Expedition 1791–95, and later achieved renown as a naval engineer. He is notable for having been the first European to discover and chart ...

and James Johnstone. The sound may also be known as the Russian transliteration ''Fridrikhe Zund''. The sound is a popular location for watching whales in the summer and is busy marine passageway for both Alaska Marine Highway ferries and

cruise ship Cruise ships are large passenger ships used mainly for vacationing. Unlike ocean liners, which are used for transport, cruise ships typically embark on round-trip voyages to various ports-of-call, where passengers may go on Tourism, tours know ...

s. The sound is home to the Five Finger Islands Light.

References

Alexander Archipelago Bodies of water of Hoonah–Angoon Census Area, Alaska Bodies of water of Petersburg Borough, Alaska Bodies of water of Wrangell, Alaska Sounds of Alaska {{WrangellAK-geo-stub