Navitat Canopy Adventures. Zip through the treetops at Navitat, which has two different zipline complexes in Madison County, about 25 miles north of Asheville. One has ziplines up to 1,250 feet in length, with hiking trails. The other has three "racing style" ziplines as long as 3,600 feet. You need to be able to walk about a mile and be in generally good health. Make reservations two weeks in advance. 242 Poverty Branch Rd., Barnardsville, North Carolina, 28709. 828/626–3700; Tours from $100.