Now I realize that my suggestion might be a little off...compared to other member's excellent suggestions...and whilst I agree that Cypress ( excluding the anti-climatic 18th ), Augusta, and Pine Valley ( excluding nothing * smirk * ) are wonderful courses, and fit the bill...why not a course that by most reports has the best finishing holes across the ocean.
Portmarnock Golf Club ( when the wind blows...when it does not, this course is relatively easy ).
The 10th is a shortish par 4 with a fine line needed..especially to the falling, sloping green.
The 11th has the same type of demand, with a green that also falls away on the back and left side.
The 12th is a 155 yard par 3 that tests the lofted game, and requires accuracy.
The 13th at over 540 yards and all those bunkers ( 16 ) forces the player to be accurate and careful to make par.
The 14th : As premier a start to the final holes as any in the world. Top-notch design, and favored by pro's everywhere. This holes build's you up...
and the 15th tears you down. Voted by many professionals as one of the best par 3's in the world...( it has my vote for best par 3 )..this hole has a hogsback green design, with severe bunkering. It plays to about 185-200.
16th - a Par 5 that while not long, demands your complete attention.
17th - A wickedly simple design leads many golfers to take it easy on this hole..and the results can be deadly. a long par 4 even when the wind doesn't blow...this hole sets up a gorgeous finish at
18...no doubt one of the premier finishing holes in all of golf...though it can not compare to Pebble's stunning view ...it has it's own flavor...a view of the inlet bay, with the quaint clubhouse ( complete with a huge Mast of a ship ) as a backround and Howth Island as well.
I do state that WHEN the wind blows this course is one of the best...perhaps this course also fits the bill of being the one course at the mercy of the elements more than any other....nowhere to hide on the Portmarnock Peninsula...and at the same time can be pummeled by the Irish Sea and the wind.
Just a thought,