Mount Sylvania
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Extinct volcano near Portland, Oregon, United States
| Mount Sylvania | |
|---|---|
| Top as seen from Tualatin | |
| Highest point | |
| Elevation | 978 ft (298 m) NAVD 88 [1] |
| Prominence | 510 ft (155 m)[2] |
| Coordinates | 45°26′17′′N 122°43′18′′W / 45.438174217°N 122.72164825°W / 45.438174217; -122.72164825 [1] |
| Naming | |
| Etymology | Derived from Silvanus, a Roman tutelary deity [3] |
| Geography | |
| Map | |
| Location | Multnomah County, Oregon, U.S. |
| Parent range | Tualatin Mountains |
| Topo map | USGS Lake Oswego |
| Geology | |
| Mountain type | Shield volcano [4] |
| Volcanic field | Boring Lava Field |
Mount Sylvania is an extinct volcano, part of the Boring Lava Field, on the outskirts of Portland, Oregon. Parts of the mountain are within the cities of Portland, Lake Oswego, and Tigard.
The Sylvania campus of Portland Community College is located on the mountain's western slopes.
References
[edit ]- ^ a b "Sylvania Reset". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce . Retrieved November 17, 2008.
- ^ "Mount Sylvania, Oregon". Peakbagger.com. Retrieved April 27, 2016.
- ^ McArthur, Lewis A. (2003). Oregon Geographic Names (7th ed.). Portland, Oregon. ISBN 0-87595-277-1.
{{cite book}}: CS1 maint: location missing publisher (link) - ^ "The Boring Lava Field, Portland, Oregon". USGS: Cascades Volcano Observatory. Archived from the original on July 1, 2011. Retrieved April 1, 2008.
External links
[edit ]- "Mount Sylvania". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
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Categories:
- Volcanoes of Oregon
- Mountains of Oregon
- Subduction volcanoes
- Cascade Volcanoes
- Volcanoes of Multnomah County, Oregon
- Volcanoes of Clackamas County, Oregon
- Lake Oswego, Oregon
- Shield volcanoes of the United States
- Mountains of Clackamas County, Oregon
- Landforms of Multnomah County, Oregon
- Multnomah County, Oregon, geography stubs