Washington County's Largest GUN SHÓW 2020 Schedule Washington County Fairgrounds 2151 North Main Street Washington Pa 15301 April 4-5 June 20-21 September 26-27 Show Hours: Sat and Sun 9 AM-4PM Admission $7.00 Adult (children 12 & under free with adult) Washington County's Largest GUN SHÓW 2020 Schedule Washington County Fairgrounds 2151 North Main Street Washington Pa 15301 April 4-5 June 20-21 September 26-27 Show Hours: Sat and Sun 9 AM-4PM Admission $7.00 Adult (children 12 & under free with adult)