“I’ve heard Fancy Gap is a good hill,” says Dubonnette, referring to a 7-mile, 7 percent grade on I-77 in Virginia just past the North Carolina state line. Uphill, Fancy Gap is a strain. Downhill it’s long, steep and curvy, and the North Carolina scales are at the bottom.
From another website.
http://www.overdriveonline.com/killer-hills/