There is 1 golf course in Irwin, Pennsylvania and 0 are municipal courses. There are also another 54 golf courses within 20 miles of Irwin, including 32 public, 5 municipal and 16 private courses. The oldest course in the Irwin area is the The Bob O'Connor Golf Course At Schenley Park/The First Tee of Pittsburgh which was designed by Mark Ormison and opened in 1902. The longest course is Oakmont Country Club, which is 7,229 yards. 3 Lakes Golf Course is rated the best course near Irwin.