Only riverhounds game I ever went to was at Chartiers Valley HS and Wild Things stadium when david Flavius played.
Oddly enough, I also saw a Riverhounds game at both Char Valley and at the Wild Things stadium (got free tickets for a friendly against mostly a Columbus Crew reserve team), and I have been to Highmark for high school games, but I've never been to Highmark for a Riverhounds game.