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Mount Sylvania 
Summary
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.
| 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[1] |
| Naming | |
| Etymology | Derived from Silvanus, a Roman tutelary deity[3] |
| Geography | |
| 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 |
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 2008-11-17.
- ^ "Mount Sylvania, Oregon". Peakbagger.com. Retrieved 2016-04-27.
- ^ 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 2011-07-01. Retrieved 2008-04-01.