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Three Sisters |
Oregon |
44.1° N |
121.8° W |
10358 ft (3158 m) |
7000-7500 ft (2150-2300 m) |
over 5000 ft (1500 m) |
Stratovolcano / shield volcano complex |
South Sister: Dormant, last eruption 1900 years ago; Middle & North Sisters: Extinct |
Deschutes National Forest / Willamette National Forest |
Three Sisters Wilderness |
Three Sisters |
Mount Cayley |
British Columbia |
50.1° N |
123.3° W |
7854 ft (2394 m) |
5000-6000 ft (1500-1800 m) |
over 7000 ft (2100 m) |
Eroded stratovolcano |
Extinct |
British Columbia Ministry of Forests |
none |
Mount Cayley |
Mount Thielsen |
Oregon |
43.2° N |
122.1° W |
9182 ft (2799 m) |
about 8000 ft (2400 m) |
up to 3600 ft (1100 m) |
Dissected shield volcano |
Extinct |
Umpqua National Forest / Winema National Forest |
Mount Thielsen Wilderness |
Mount Thielsen |
Broken Top |
Oregon |
44.1° N |
121.7° W |
9175 ft (2797 m) |
7500-8000 ft (2300-2400 m) |
up to 3600 ft (1100 m) |
Dissected stratovolcano |
Extinct |
Deschutes National Forest |
Three Sisters Wilderness |
Broken Top |
Three Fingered Jack |
Oregon |
44.5° N |
121.8° W |
7841 ft (2390 m) |
6000-7000 ft (1800-2100 m) |
up to 3400 ft (1050 m) |
Dissected shield volcano |
Extinct |
Deschutes National Forest / Willamette National Forest |
Mount Jefferson Wilderness |
Three Fingered Jack |
Mount Washington |
Oregon |
44.3° N |
121.8° W |
7794 ft (2376 m) |
6000-7000 ft (1800-2100 m) |
about 2800 ft (850 m) |
Dissected shield volcano |
Extinct |
Deschutes National Forest / Willamette National Forest |
Mount Washington Wilderness |
Mount Washington |
Goat Rocks |
Washington |
46.5° N |
121.5° W |
8184 ft (2494 m) |
6000-6500 ft (1800-2000 m) |
almost 5000 ft (1500 m) |
Dissected stratovolcano |
Extinct |
Gifford Pinchot National Forest / Yakama Indian Nation |
Goat Rocks Wilderness |
Goat Rocks |
Mount Bachelor |
Oregon |
44.0° N |
121.7° W |
9065 ft (2763 m) |
about 7500 ft (2300 m) |
3400 ft (1050 m) |
Stratovolcano / steep-sided shield volcano |
Dormant, last eruptions about 8000 years ago |
Deschutes National Forest |
none, although snowmobiles are banned |
Mount Bachelor |
Mount Meager |
British Columbia |
50.6° N |
123.6° W |
8790 ft (2679 m) |
5000-6000 ft (1500-1800 m) |
over 7000 ft (2100 m) |
Stratovolcano complex |
Dormant, last eruption 2350 years ago |
British Columbia Ministry of Forests |
none |
Mount Meager |
Mount Jefferson |
Oregon |
44.7° N |
121.8° W |
10497 ft (3199 m) |
6000-7000 ft (1800-2100 m) |
over 6000 ft (1800 m) |
Stratovolcano |
Dormant / extinct |
Willamette National Forest / Warm Springs Indian Reservation |
Mount Jefferson Wilderness |
Mount Jefferson |
Diamond Peak |
Oregon |
43.5° N |
122.2° W |
8744 ft (2665 m) |
7000-7500 ft (2150-2300 m) |
up to 5000 ft (1500 m) |
Eroded shield volcano |
Dormant / extinct |
Willamette National Forest / Deschutes National Forest |
Diamond Peak Wilderness |
Diamond Peak |
Mount McLoughlin |
Oregon |
42.4° N |
122.3° W |
9495 ft (2894 m) |
about 8000 ft (2400 m) |
over 5000 ft (1500 m) |
Stratovolcano |
Dormant |
Rogue River National Forest / Winema National Forest |
Sky Lakes Wilderness |
Mount McLoughlin |
Pelican Butte |
Oregon |
42.5° N |
122.1° W |
8036 ft (2449 m) |
about 8000 ft (2400 m) |
up to 3800 ft (1100 m) |
Shield volcano |
Dormant |
Winema National Forest |
Designated Roadless Area |
Pelican Butte |
Glacier Peak |
Washington |
48.1° N |
121.1° W |
10541 ft (3213 m) |
5500-6500 ft (1700-2000 m) |
up to 9000 ft (2700 m) |
Stratovolcano |
Dormant |
Mount Baker - Snoqualmie National Forest |
Glacier Peak Wilderness |
Glacier Peak |
Crater Lake |
Oregon |
42.9° N |
122.1° W |
8926 ft (2721 m) |
8000-9000 ft (2400-2750 m) |
up to 3000 ft (900 m) |
Stratovolcano with caldera and satellite cones |
Dormant |
Crater Lake National Park |
much of National Park is administered as wilderness |
Crater Lake |
Mount Garibaldi |
British Columbia |
49.8° N |
123.0° W |
8787 ft (2678 m) |
5000-6000 ft (1500-1800 m) |
over 8000 ft (2400 m) |
Stratovolcano, originally supraglacial, now partially collapsed |
Dormant |
Garibaldi Provincial Park |
Provincial Park is administered as wilderness |
Mount Garibaldi |
Mount Bailey |
Oregon |
43.2° N |
122.2° W |
8368 ft (2551 m) |
7000-7500 ft (2150-2300 m) |
3200 ft (1000 m) |
Shield volcano |
Dormant |
Umpqua National Forest |
none |
Mount Bailey |
Mount Rainier |
Washington |
46.9° N |
121.8° W |
14411 ft (4392 m) |
5500-6500 ft (1700-2000 m) |
over 10400 ft (3200 m) |
Stratovolcano |
Active, steam emissions at summit; last eruption in the 1820s |
Mount Rainier National Park |
much of National Park is administered as wilderness |
Mount Rainier |
Lassen Peak |
California |
40.5° N |
121.5° W |
10457 ft (3187 m) |
8500-9000 ft (2600-2750 m) |
up to 5000 ft (1500 m) |
Eroded stratovolcano + dacite plug dome |
Active, last eruptions 1914-1921 |
Lassen Volcanic National Park |
Lassen Volcanic Wilderness covers all areas except park road |
Lassen Peak |
Medicine Lake Volcano |
California |
41.6° N |
121.6° W |
7913 ft (2412 m) |
over 8000 ft (2400 m) |
up to 2600 ft (800 m) |
Shield volcano with caldera and cinder cones |
Active, last eruption 900 years ago; possibly a minor ash eruption in 1910 |
Modoc, Shasta-Trinity, and Klamath National Forests, with portions of the north slopes in Lava Beds National Monument |
much of Lava Beds NM is administered as wilderness |
Medicine Lake Volcano |
Mount Saint Helens |
Washington |
46.2° N |
122.2° W |
8365 ft (2550 m) |
4600-5000 ft (1400-1500 m) |
over 6000 ft (1800 m) |
Stratovolcano |
Active, last eruption 1987 |
Gifford Pinchot National Forest |
Mount Saint Helens National Volcanic Monument |
Mount Saint Helens |
Mount Shasta |
California |
41.4° N |
122.2° W |
14162 ft (4317 m) |
8000-8500 ft (2400-2600 m) |
over 8500 ft (2600 m) |
Stratovolcano complex |
Active, last eruption 1786 |
Shasta-Trinity National Forest |
Mount Shasta Wilderness includes most areas above 8000 ft |
Mount Shasta |
Newberry Volcano |
Oregon |
43.7° N |
121.3° W |
7985 ft (2434 m) |
over 8000 ft (2400 m) |
over 3000 ft (900 m) |
Shield volcano with caldera and cinder cones |
Active, fumaroles in both lakes |
Deschutes National Forest |
Newberry National Volcanic Monument |
Newberry Volcano |
Mount Adams |
Washington |
46.2° N |
121.5° W |
12276 ft (3742 m) |
6000-6500 ft (1800-2000 m) |
over 8000 ft (2400 m) |
Stratovolcano complex |
Active, fumaroles at summit |
Gifford Pinchot National Forest / Yakama Indian Nation |
Mount Adams Wilderness |
Mount Adams |
Mount Baker |
Washington |
48.8° N |
121.8° W |
10781 ft (3286 m) |
5000-5500 ft (1500-1700 m) |
over 8000 ft (2400 m) |
Stratovolcano |
Active (steaming), last eruption 1870 |
Mount Baker - Snoqualmie National Forest |
Mount Baker Wilderness (partial) |
Mount Baker |
Mount Hood |
Oregon |
45.4° N |
121.7° W |
11239 ft (3426 m) |
6000-6500 ft (1800-2000 m) |
over 7000 ft (2100 m) |
Stratovolcano |
Active (steaming), last eruption 1865 |
Mount Hood National Forest |
Mount Hood Wilderness |
Mount Hood |