Henry Arena is a non profit Equine Facility located just 8 minutes off I-81 in Martinsburg, WV. The arena is part of Poor House Farm Park which is a County owned facility and is run by Henry Arena Directors Committee. The Martinsburg - Berkeley County Parks and Rec granted a 99 year lease to the facility. The grand opening was held in Oct of 2007 and was funded by local sponsors and fundraising events. Henry Arena is currently home to many horse programs...old and new.