Blocher's Run

Blocher's Run is a Pennsylvania stream which flows from Oak Ridge (triple watershed point at 39.85879°N, -77.24483°W) on the Gettysburg Battlefield eastward to the Rock Creek (39.84767°N, -77.2258°W) through and near areas of the Battle of Gettysburg, First Day.

During the Battle of Gettysburg Confederate soldiers took cover behind the trees that lined the stream.