Mount St. Helens & Mount Adams, Gifford-Pinchot National Forest, Road and Recreation Map.

Scale 1:75,000. Size 26"x38". National Geographic edition. The Gifford Pinchot National Forest, located in southwest Washington State, is one of the oldest National Forests in the United States. The Forest is 1,368,330 acres in size and includes the 110,300-acre Mount St. Helens National Volcanic Monument established by Congress in 1982. Coverage highlights: Mount Adams, Indian Haven and Trapper Creek Wilderness Areas, Mount St. Helens National Volcanic Monument, Mount Margaret Backcountry Area, Pacific Crest Trail, Spirit Lake Memorial Highway, Detailed Climbing and Permit Information. Wilderness coverage: Mount Adams, Indian Haven, Trapper Creek. Other attractions: Mount St. Helens National Volcanic Monument, Mount Margaret Backcountry Area, hiking trails, mountain biking, scenic back roads, mountain climbing, campgrounds, sno-parks, fishing, snowmobile trails, cross-country skiing, waterfalls.