Harpers Ferry Adventure Center (previously Butts Tubes/BTI Whitewater) offers the best in outdoor adventure sports in the MD, VA and WV region. From whitewater rafting, river tubing, zip-lines, aerial obstetrical courses, camping, off-road segways, and more! Located less than an hour from DC and Baltimore its a great place to getaway for the day. Also a beautiful venue for team building, weddings, group outings and more.