Recreation
During the summer, the Marble Mountain recreaiton site provides trailhead access to the Worm Flow climbing route, the Loowit trail, and several cross-country hiking and mountain biking loop trails such as the Pine Marten, Fir, Silver and Pika Trails. Nearby trailheads include June Lake, Ape Canyon and Lava Canyon. The site is also close to the Lahar Viewpoint along Forest Road 83. Ape Cave is also nearby and makes for a great family experience (tickets required, open May-October).
Nearby
Marble Mountain Group Picnic Site is located near the south entrance to Mount St. Helens National Volcanic Monment. Also along Forest Road 83 is Lahar Viewpoint, an interpretive site where you can view and learn about the power of the 1980 Mount St. Helens eruption. Douglas fir and pine trees are slowly reestablishing themselves on the landscape devastated by the landslide from one of Mount St. Helen's glaciers during the eruption. Other nearby attractions include the Trail of Two Forests boardwalk, Ape Cave Interpretive Site, June Lake and Lava Canyon Trails.