Prince William County news release, dated August 28, 2017 http://www.pwcgov.org/news/pages/learn-to-build-trails.aspx Prince William County Department of Parks and Recreation will host a two-day Trail Building Seminar on Sept. 9 and 10 at Hellwig Memorial Park, at 14420 Bristow Road, for enthusiasts who want to learn how to build and maintain trails. No experience is necessary for … Continue reading Free Trail Building Seminar, September 9 & 10, at Hellwig Memorial Park