Explore 838 acres of outdoor adventures at Algonkian Regional Park, located in Sterling, Virginia. Rent a picnic shelter or a vacation cottage along the Potomac River. Tee it up at our 18-hole golf course. Bring the kids for an afternoon at Volcano Island Waterpark, or spend hours hiking our paved and natural surface hiking trails. Algonkian Regional Park includes natural wooded areas and open fields.The Woodlands event facility offers full service catering and is perfect for your next party, wedding or corporate event.