High Falls Trail is located near Grand Portage in Minnesota’s Cook County. This is a 1.1 mile (1.9 km) out and back trail within Grand Portage State Park. The trail to the falls begins at the parking lot at the park’s visitor center and is paved and board-walked through the majestic boreal forest leading up to it. High Falls of the Pigeon River is the tallest waterfall in Minnesota at 120 feet (36.5 m) tall. This waterfall is right on the US/Canadian border and can also be viewed at Ontario’s Pigeon River Provincial Park after crossing the border. Leashed dogs allowed.