River Riders offers the recipient of this item a gift certificate for 2 on a guided Shenandoah/Potomac White Water Rafting Trip in Harpers Ferry, WV. River Riders is a Licensed Professional White Water Guide Service.Our guides separate us from the competition. With experience on world-class Whitewater Runs in North, Central, and South America, our staff leaders have the seasoned skills and know-how to provide you with the most enjoyable trip possible. The guides pride themselves on your positive experience. This certificate is valid on weekdays only between 05/16/2011-09/09/2011 (additional fee to upgrade to weekends).