About Union GapUnion Gap takes its name from the natural pass, or gap, carved over time by the Yakima River through high, barren hills. This gap divides the Yakima Valley into upper and lower portions. The settlement of Yakima City was established in 1861 and renamed Union Gap in 1918.
Things to Do Central Washington Agricultural Museum
Union Gap, WA
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1215 Ahtanum Ridge Dr. Union Gap, WA 98903