白山國家森林

The Flume Gorge is a natural gorge extending 800 ft (240 m) horizontally at the base of Mount Liberty in Franconia Notch State Park, New Hampshire, United States. Cut by Flume Brook, the gorge features walls of Conway granite that rise to a height of 70 to 90 ft (21 to 27 m) and are 12 to 20 ft (3.7 to 6.1 m) apart.