Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It lies about 52 miles northeast of Portland, Oregon, and 98 miles south of Seattle. The volcano is part of the Cascade Range and the Cascade Volcanic Arc.
The nearest communities to Mount St. Helens include Cougar, Washington, which is about 11 miles south-southwest of the peak. The area around the volcano is within the Gifford Pinchot National Forest, and access routes to the mountain typically run through Cowlitz County and Lewis County.
Key geographic coordinates for Mount St. Helens are approximately 46.19°N latitude and 122.19°W longitude.
