sentences:  The facility is currently operated by the County's Parks, Recreation and Tourism department as a passive recreation facility.Under Roanoke County administration, annual visitors increased from 13,000 or fewer in 2012 and 2013 to more than 18,000 in 2014, the first full year under County management.The County is currently seeking to develop the site as an outdoor adventure park with amenities such as cabins, RV parks and zip lines.