Mt Thielsen Volcano - John Seach
Oregon, USA

43.15 N, 122.07 W
summit elevation 2800 m
Shield Volcano

Mount Thielsen is an ancient volcano which has been heavily eroded by glacial action.
The spine-like summit is called the lightning rod of the Cascades because it is frequently hit in storms.
 

Eruptions of Thielsen Volcano
300,000 years ago
 

Thielsen Volcano
www.volcanolive.com
Copyright John Seach