Great Divide Mountain Bike Route - 1: Roosville, Montana - Polaris, Montana - 542 Miles

This section of the Great Divide Mountain Bike Route is entirely within Montana. The route begins at the border and quickly enters forested backcountry. It skirts the western border of Glacier National Park. The route goes through towns every 4-5 days for restocking supplies. You'll either be going over passes or riding through valleys enroute to the next climb, and it's considered the most challenging portion of the entire route.

You'll go through historic mining regions lying between Seely Lake and Polaris, Montana. In addition to a sampling of some of its finest backcountry, two of the state's largest cities are encountered -- Butte and Helena, the state capital. Fascinating historic sites beckon in both communities, so plan to lay over at least a day in each.

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Adventure Cycling maps are created by cyclists, for cyclists, and they are some of the best available for those in search of discovery and adventure in North America. The maps reflect the association's research as well as suggestions from thousands of cyclists who have explored the Adventure Cycling Route Network. Adventure Cycling develops the best cross-country, loop, coastal, and inland cycling routes available, with turn-by-turn directions, detailed navigational instructions for the tricky sections, and elevation profiles in the high country.

The maps are waterproof and designed to fit in a handlebar-bag window or jersey pocket. The maps provide information specifically for cyclists: the location of bike shops, sources for food and water, and listings of overnight accommodations including camping facilities, small hotels, and cyclists-only lodging.