Headwaters Trail System
From the Rails-to-Trails Conservancy: This is a “paved network of trails that runs along the former Milwaukee Railroad bed through the town of Three Forks to the Missouri Headwaters State Park. Future plans include extending the trail to Manhattan, Mont., and other parts of Gallatin Valley. The scenic trail provides views of the surrounding mountains and grasslands, winds around ponds and through old growth cottonwood trees, and ends on the banks of the Jefferson River. “