Norpac Trail is a hiking and biking trail in Idaho and Montana. It is within Lolo National Forest and Idaho Panhandle National Forests. It is 16.9 miles long and begins at 3,673 feet altitude. Traveling the entire trail is 34.0 miles with a total elevation gain of 4,582 feet. The Fossil Beds and Mullan Road Historical Marker (elevation 3,727 feet) information boards and the Slidex Mine (elevation 4,324 feet) and Sildex/Amazon-Dixie Mine (elevation 4,321 feet) quarries can be seen along the trail. There are also restroom and parkings along the trail.
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