List of Cascade volcanoes

Columns: Name | Type | Elevation ( m ) | Elevation ( ft ) | Last eruption date | Location
Boring Lava Field | Volcanic field | 1,236 | 4,055 | Pleistocene | 45°40′N 122°41′W / 45.66°N 122.68°W / 45.66 ; -122.68 | Rocky Butte | Cinder cone | 174 | 571 | Pleistocene | 45°32′49″N 122°33′54″W / 45.547°N 122.565°W / 45.547 ; -122.565 | Powell Butte | Cinder cone | 191 | 627 | Pleistocene | 45°29′13″N 122°30′14″W / 45.487°N 122.504°W / 45.487 ; -122.504 | Mount Sylvania | Cinder cone | 292 | 958 | Pleistocene | 45°26′17″N 122°43′16″W / 45.438°N 122.721°W / 45.438 ; -122.721 | Mount Hood | Stratovolcano | 3,426 | 11,240 | 1866 | 45°22′26″N 121°41′42″W / 45.374°N 121.695°W / 45.374 ; -121.695 | Olallie Butte | Shield volcano | 2,199 | 7,215 | - | 44°49′12″N 121°45′50″W / 44.820°N 121.764°W / 44.820 ; -121.764 | Mount Jefferson | Stratovolcano | 3,199 | 10,495 | 950 AD ? | 44°40′26″N 121°47′56″W / 44.674°N 121.799°W / 44.674 ; -121.799

Example questions:
Near what pass is the cascade volcano that last erupted in the Holocene era ? | How old is the cascade volcano that stands 5080 feet tall ? | Who is the cascade volcano that possibly last erupted in 480 A. D. named after ? | When was the second tallest cascade volcano first ascended ?

Answers:
Santiam Pass | 80,000 years old | J. H. Belknap | 1888