Umtanum Ridge

Umtanum Ridge

Umtanum Ridge is a long anticline mountain ridge in Yakima County and Kittitas County in the U.S. state of Washington. It runs east-southeast from the Cascade Range, through the Yakima Training Center to the edge of the Columbia River at Priest Rapids Dam and Hanford Reach. The eastern end of Umtanum Ridge enters Hanford Reach National Monument and the Hanford Site. Umtanum Ridge is paralleled on the north by Manastash Ridge and on the south by Yakima Ridge. The Yakima River cuts through the ridge at the Umtanum Ridge Water Gap.

Umtanum Ridge is part of the Yakima Fold Belt of east-tending long ridges formed by the folding of Miocene Columbia River basalt flows. [ [http://gldims.cr.usgs.gov/webapps/cfusion/Sites/qfault/qf_web_disp.cfm?disp_cd=C&qfault_or=1327&ims_cf_cd=cf Complete Report for Saddle Mountains structures] , USGS Earthquake Hazards Program]

ee also

*Rattlesnake Hills
*Ahtanum Ridge
*Horse Heaven Hills

References

External links

*
* [http://www.bivouac.com/MtnPg.asp?MtnId=20465 Umtanum Ridge] , Bivouac.com


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  • Umtanum Ridge Water Gap — is a water gap cut by the Yakima River through Manastash and Umtanum Ridge anticlines, which are part of the Yakima Fold Belt near the western edge of the Columbia River Plateau located in central Washington state. This National Natural Landmark… …   Wikipedia

  • Yakima Ridge — is a long anticline mountain ridge in Yakima County and Benton County in the U.S. state of Washington. From its western end just north of the city of Yakima, the ridge runs east southeast through the Yakima Training Center to its eastern end at… …   Wikipedia

  • Manastash Ridge — View from Manastash Ridge facing towards Ellensburg, Washington with Cascade Range in the background. Manastash Ridge is a long anticline mountain ridge located in central Washington state in the United States. Manastash Ridge runs mostly west to …   Wikipedia

  • Ahtanum Ridge — is a long anticline mountain ridge in Yakima County in the U.S. state of Washington. It is located just south of the city of Yakima.Ahtanum Ridge is part of the Yakima Fold Belt of east tending long ridges formed by the folding of Miocene… …   Wikipedia

  • Rattlesnake Hills — The Rattlesnake Hills is a long anticline mountain ridge in Yakima County and Benton County in the U.S. state of Washington. Also known as Rattlesnake Mountain and Rattlesnake Ridge,GNIS|1507733|Rattlesnake Hills] it should not be confused with… …   Wikipedia

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  • Yakima Training Center — The Yakima Training Center is a United States Army training center (Army maneuver training and live fire area) located in south central Washington state. It is bounded on the west by Interstate 82, on the south by the city of Yakima, on the north …   Wikipedia

  • Wenas Wildlife Area — La vertiente norte de Umtanum Ridge en Wenas Wildlife Area Wenas Wildlife Area es un área protegida de 42.680 ha administrada por el Departamento de Washington de Pesca y Vida Silvestre, una agencia del Gobierno de Washington.[1] …   Wikipedia Español

  • Olympic-Wallowa Lineament — Location of the Olympic Wallowa Lineament. Is the OWL an optical illusion? The Olympic Wallowa lineament (OWL) – first reported by cartographer Erwin Raisz in 1945 [1] on a relief map of the continental United States – is a physiographic feature… …   Wikipedia

  • Columbia River Basalt Group — The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of five states. The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States . It is found in …   Wikipedia

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