When Glacial Lake Missoula's ice dam shattered, a northern arm of the lake drained in a matter of hours through a narrow gap in Montana's Blackfoot River valley. One can only imagine the ...

Then, via Glacier National Park's Going-to-the-Sun Road, the route goes to Whitefish. Then, head down U.S. Route 93 to Flathead Lake West Shore State Park and on to Missoula. The route ends in ...