Prominence 510 ft (155 m) Mountain type Shield volcano Elevation 298 m | Topo map USGS Lake Oswego Volcanic field Boring Lava Field Parent range Tualatin Mountains | |
 | ||
Location Multnomah County, Oregon, U.S. Mountain range Boring Lava Field, Tualatin Mountains Similar Hogg Rock, Hayrick Butte, Hoodoo Butte, Aspen Butte, Yamsay Mountain | ||
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.
Map of Mt Sylvania, Lake Oswego, OR 97035, USA
The Sylvania campus of Portland Community College is located on the mountain's western slopes.
References
Mount Sylvania Wikipedia(Text) CC BY-SA