Cougar Mountain
| Cougar Mountain | |
|---|---|
 Cougar Mountain
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| Elevation | 1,598 ft (487 m)1 |
| Location | |
| Location | King County, Washington, U.S. |
| Range | Issaquah Alps |
| Coordinates | 47°31′13″N 122°05′36″W / 47.52028°N 122.09333°WCoordinates: 47°31′13″N 122°05′36″W / 47.52028°N 122.09333°W1 |
The lowest and westernmost of the Issaquah Alps, Cougar Mountain is part of the highlands in suburban Seattle, Washington that rise abruptly from southeast of the intersection of I-90 and I-405. About two-thirds of Cougar Mountain has experienced residential development, and is home to many neighborhood communities such as Lakemont, but the forested heart of the hills was officially preserved by King County in June 1983 as Cougar Mountain Regional Wildland Park. Cougar Mountain is also home to the Cougar Mountain Zoo.
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Geology
Cougar Mountain was formed in the Miocene when tectonic forces folded western Washington along a northwest axis and created the Newcastle Anticline. The anticline exposed earlier (Eocene to Oligocene) sedimentary and volcanic rocks that, due to erosion, now form the surface of Cougar Mountain. The northern edge of Cougar Mountain is distinct due to the Seattle Fault, which runs along I-90. The Seattle Fault caused a large earthquake approximately 1100 years ago.2
Ecology
Cougar Mountain is part of the Eastern Puget Uplands level IV ecoregion, as defined by the EPA.3 This ecoregion is a transition between the ecology of the Puget Sound and the forests of the Cascades. The ecology of Cougar Mountain is thus more similar to the Sammamish Plateau than the rest of the Issaquah Alps.
Cougar Mountain contains species and habitats that were once common closer to Puget Sound. Extensive logging has rendered the ecosystem less diverse than its original state.3
Transmitting facilities
Cougar Mountain is home to some Seattle area radio station's transmitters. These include:
- KNHC 89.5
- KBCS 91.3 (construction permit to move to the mountain)
- KUBE 93.3
- KJR-FM 95.7
- KPLZ-FM 101.5
- KMCQ 104.5
- KCMS-FM 105.3
- KRWM 106.9
- KHB60 162.550
See also
References
- ^ a b "Cougar Mountain". Peakbagger.com.
- ^ Gwyneth Jones. "Cougar Mountain Field Trip". Retrieved 2009-12-28.
- ^ a b "King County Biodiversity Report". 2008. Retrieved 2009-12-28.
External links
Media related to Cougar Mountain at Wikimedia Commons
- Reviews of Cougar Mountain Hikes hikingwithmybrother.com
Content from Wikipedia, the Free Encyclopedia
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