There are two things named Ahtanum in the U.S. state of Washington:
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Ahtanum, Washington
Ahtanum () is a census-designated place (CDP) in Yakima County, Washington. The population was 3,601 at the time of the 2010 census.
Geography
Ahtanum is located at (46.560998, -120.610237). According to the United States Census Bureau, the CDP ...
(town)
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Ahtanum View Correction Center (state prison)
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