Dry Falls, also known as Upper Cullasaja Falls, is a 65-foot waterfall located in the Nantahala National Forest, northwest of Highlands, North Carolina. Dry Falls flows on the Cullasaja River through the Nantahala National Forest. It is part of a series of waterfalls on an 8.7-mile stretch of the river that eventually ends with Cullasaja Falls. Dry Falls flows oveā¦Dry Falls, also known as Upper Cullasaja Falls, is a 65-foot waterfall located in the Nantahala National Forest, northwest of Highlands, North Carolina. Dry Falls flows on the Cullasaja River through the Nantahala National Forest. It is part of a series of waterfalls on an 8.7-mile stretch of the river that eventually ends with Cullasaja Falls. Dry Falls flows over an overhanging bluff. The rock shelter behind the fall remains dry when the water flow is low.