Harris Lake, or Shearon Harris Reservoir, is a reservoir in New Hill, North Carolina, approximately 20 miles southwest of Raleigh, the state capitol. Lying 220 ft above sea level, the lake covers 4,100 acres in southwestern Wake County and southeastern Chatham County. It is the source and outlet of cooling water for the Shearon Harris nuclear power plant. Th…Harris Lake, or Shearon Harris Reservoir, is a reservoir in New Hill, North Carolina, approximately 20 miles southwest of Raleigh, the state capitol. Lying 220 ft above sea level, the lake covers 4,100 acres in southwestern Wake County and southeastern Chatham County. It is the source and outlet of cooling water for the Shearon Harris nuclear power plant. The lake is approximately 2.5 miles from B. Everett Jordan Lake. It was created by impounding Buckhorn Creek. There are two public boat ramps; one is near the southern end off North Carolina Highway 42, and the other near the northern end by Avent Ferry Road.