The
information provided in the trail guides for Mount St. Helens ,
the Northern GPNF, and Southern GPNF is published by NWIA (Northwest
Interpretive Association). The official versions of these trail
guides can be purchased for a nominal price at our Forest
offices. You may also download our map
order form and mail it to our Forest headquarters.
You
will need a Northwest Forest Pass where there are facilities, trails
or services that the Forest Service provides to enhance your experience.
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