National forests are the ultimate outdoor classroom, with natural processes and human activities interacting in all sorts of interesting ways.
Planning a field trip to Mount St. Helens? Visit our Teacher's Corner to get started.
Learn more about Mt. St Helens 1980 eruption and what's happening today. Find scientific research and forest management information
For more than 6,000 years, people have played a part in the ecology of the Gifford Pinchot National Forest.
Learn key tips on how to plan ahead and prepare for your outdoor experience. Be prepared and know your limits