St. Croix River Border Road

The St. Croix River Border Road traces Maine’s international boundary with New Brunswick along a network of old timber roads and border patrol routes. This challenging 24-mile track winds through some of the most remote country in eastern Maine, following the meandering St. Croix River through pristine wilderness. The route includes several technical stream crossings at tributary creeks, muddy bog sections that can swallow stock vehicles, and steep rocky climbs through the border hills. Historic customs houses and abandoned logging camps dot the route.

This is difficult terrain requiring experienced drivers and capable 4WD with recovery gear, mud tires recommended. Spring and fall can be nearly impassable due to frost heaves and saturated soils – best tackled July through September. No permits required but this is active border patrol territory, so carry proper identification. Exceptional remote camping along the river with world-class smallmouth bass fishing and complete solitude. You’ll experience true frontier country where few modern travelers venture.