One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

ALSO SEE | Washington state's volcanoes ranked among nation's most hazardous With researchers monitoring Mount Rainier so ...

While the mountain hasn't been very active lately there's a possibility it could erupt in our lifetime. According to ...

The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.

The closure will pinch recreational access to Mount Rainier National Park, rendering two of its precious few entrance points ...

An active stratovolcano, Mount Rainier's last significant eruption was around 1,000 years ago. (There was some unconfirmed minor activity in the 19th century.) Although it hasn’t erupted for a ...