[1] The Center is located in Charlotte, North Carolina on approximately 1,300 acres (530 ha) of land adjacent to the Catawba River, with more than 50 miles (80 km) of developed trail.[2][3] The Center's primary feature is the world's largest and most complex recirculating artificial whitewater river.[4] The Center's recirculating river is filled with 12 million gallons of water, which is cleaned every 24 hours by a filtration and ultraviolet system.[2] Most of the water diverters are natural boulders cemented in place, but there is some use of moveable plastic bollards attached to the bottom.Commonly kayak surfed waves on the Wilderness Channel include Entrance Exam, Connor's Hole, Dave's Dilemma, Bread and Butter, Freestyle Wave, Well Hole, Sunset, Snake Lips, M-Wave, Shut Down, and Biscuits and Gravy.