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Mount Sylvania

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Title: Mount Sylvania  
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Subject: Boring Lava Field, Lake Oswego, Oregon, Sylvania, Volcanoes of Oregon, Jordan Craters
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Mount Sylvania

Mount Sylvania
Top as seen from Tualatin
Elevation 978 ft (298 m) NAVD 88[1]
Location Multnomah County, Oregon, U.S.
Range Tualatin Mountains
Coordinates [1]
Topo map USGS Lake Oswego
Type Shield volcano[2]
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. Mountain Park, a Lake Oswego suburban development, was built on the mountain in the 1970s.

The Sylvania campus of Portland Community College is located on the mountain's western slopes.


  1. ^ a b "Sylvania Reset". NGS data sheet.  
  2. ^ "The Boring Lava Field, Portland, Oregon". USGS: Cascades Volcano Observatory. Retrieved 2008-04-01. 

External links

  • "Mount Sylvania".  
  • "Mount Sylvania, Oregon". 

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