Mount St. Helens is located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. It is administered by the National Forest Service, not the National Park Service ...

Forty years ago, a volcano in the Cascade Mountains in Washington roared, expelling plumes of ash and killing 57 people in the most destructive eruption in modern US history. See 50 photos from the ...

(CNN) — Here's a look at Mount St. Helens, the most active volcano in the Cascade Mountains in Washington. Facts: Mount St. Helens is a volcano in the Cascade Mountains, in the area called the Mt. St.

• About 14,500 people a year climb Mount St. Helens though the vast majority — about 13,000 — do so in the summer. • About 1,500 people climb the volcano during the winter season of Nov. 1 to March 31 ...