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Mount Jefferson

Stratovolcano in Oregon
Mount Jefferson is a stratovolcano in the Cascade Volcanic Arc, part of the Cascade Range in the U.S. state of Oregon. The second highest mountain in Oregon, it is situated within Linn County, Jefferson County, and Marion County and forms part of... Wikipedia
Elevation: 10,502′
Last eruption: 950 AD
Mountain range: Cascade Range
Prominence: 5,778′
First ascent: August 12, 1888
Age of rock: Less than 100,000 years
Coordinates: 44°40′27″N 121°47′58″W / 44.6743006°N 121.799573611°W