Bushy Run Battlefield Park is a historical park that is operated by the Pennsylvania Historical and Museum Commission and the Bushy Run Battlefield Heritage Society on 218 acres (0.88 km2) in Penn Township, Westmoreland County, Pennsylvania in the United States. It was the site of the Battle of Bushy Run fought on August 5–6, 1763 during the Pontiac's Rebellion. The battle was a major victory for the British and enabled them to secure their control of the Ohio River Valley and what was to become the Northwest Territory. Bushy Run Battlefield Park was established as a Pennsylvania State Park in the 1920s and became a National Historic Landmark in 1960. The Visitor Center is open Wednesday through Saturday from 9:00 am until 5:00 pm,and Sunday from noon to 5:00 pm, during the months of May–O