Mount Deception (Washington)
mountain in Washington, United States
Mount Deception is a peak in the Olympic Mountains of Cascadia. It is in Olympic National Park on the Olympic Peninsula in the U.S. state of Washington.
Description
At 7,788 feet (2,374 m) high Mount Deception is the second highest peak of the Olympic Mountains, after Mount Olympus. It is the highest peak of the eastern Olympics. Mount Deception's prominence is 4,108 feet (1,252 m), making it the 17th most prominent peak in Washington. Its nearest higher peak is Mount Olympus at 21.79 mi (35.07 km) to the west.
Mount Deception is located in the northeast portion of the Olympics Mountains just northeast of Mount Mystery between Deception Creek and Royal Creek. The region is known as Royal Basin and includes the upper reaches of Royal Creek. Mount Deception lies at the head of Royal Basin. This location puts it in the rain shadow of the Olympics, resulting in far less precipitation than Mount Olympus and the western Olympics receive.
The public source identifies “Mount Deception (Washington)” as mountain in Washington, United States. This brief keeps that definition visible, then builds a research path around Mount, Deception and Washington.
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Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Aug 15, 2026. The linked authority identifier is Q531490. VIAF identifies the subject as 315530588. The Library of Congress control number is sh2005020077. Authority coordinates are 47.813, -123.233. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Mount Deception (Washington)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.