(MD) (Potomac Riverkeeper) Join your Potomac Riverkeeper for a fun day of tubing at the confluence of the Potomac and Shenandoah rivers! This is a fun float with some exciting white water on one of the most spectacular sections of the Potomac River, known for its scenic beauty. We will take out at Harpers Ferry Adventure Center (HFAC). Afterward, we can enjoy beer, food, and live music at Harpers Ferry Brewing which has the most spectacular views of the river anywhere throughout the entire 14,760 square mile watershed!