What three states are covered by the volcano range including the North Cascades?
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, and the notable volcanoes known as the High Cascades. The small part of the range in British Columbia is referred to as the Canadian Cascades or, locally, as the Cascade Mountains. The latter term is also sometimes used by Washington residents to refer to the Washington section of the Cascades in addition to North Cascades, the more usual U.S. term, as in North Cascades National Park. The highest peak in the range is Mount Rainier in Washington at 14411 ft .
Medicine Lake Volcano Medicine Lake Volcano is a large shield volcano in northeastern California about 50 km northeast of Mount Shasta. The volcano is located in a zone of east-west crustal extension east of the main axis of the Cascade Volcanic Arc and the Cascade Range. The 1 km thick shield is 35 km from east to west and 45 to from north to south, and covers more than 2000 km2 . The underlying rock has downwarped by 0.5 km under the center of the volcano. The volcano is primarily composed of basalt and basaltic andesite lava flows, and has a 7 by caldera at the center.