20 Toughest Holes on Tour in 2007
The four majors are considered the toughest tests in golf, and they sure played like it this year, accounting for 13 of the 20 hardest holes of the season. Oakmont, site of the U.S. Open, had seven holes on the list, and Augusta National had four. Here are the 20 toughest holes, measured by scoring average and compiled by the Associated Press.

20. Oakmont Country Club, No. 12
U.S. Open Championship
Par 5, 5.412 scoring average