Harpers Ferry Adventure Center, formerly BTI Whitewater/Butts Tubes, is located at the northern tip of Loudoun County. We offer a wide range of exciting and inexpensive outdoor adventure activities including: whitewater rafting, tubing, zipline, aerial adventure park, jumping pillow, kayaking, canoeing, team building, fishing, hiking, and camping and cabin accommodations. We have trips suitable for all ages. Spend the entire day having fun in the sun on the Shenandoah and Potomac Rivers. Our retail shop carries a variety of souvenir shirts, hats, water shoes, sandals, and stickers.