High Cascades Volcanoes - John Seach
South of Mount Jefferson to Santiam Pass
Oregon, USA

44.50 N, 121.75 W
summit elevation 2390 m
Shield volcanoes, cinder cones, and domes

Volcanic Features of High Cascades Volcanoes
Three Fingered Jack, Turpentine Peak, Maxwell Butte, North Cinder Peak,
South Cinder Peak, Forked Butte, Hogg Rock, Hayrick Butte.

Eruptions of High Cascades Volcanoes
25,000 years ago (South Cinder Peak)
 

High Cascades Volcanoes
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Copyright John Seach