Description & Facts: Ko'olau Golf Club is marketed as the toughest golf course in Hawaii and one of the most challenging in the country. Carved out of a magnificent tropical forest, Ko'olau Golf Club is an inspiring golf experience. This course offers breathtaking views of the majestic 2000-foot-high cliffs of the Ko'olau mountain range and commanding views of the Pacific Ocean along with the beautiful windward side of Oahu. Set against the base of the Ko'olau mountains, it resembles Kauai's Princeville at Hanalei's Prince Course for both its scenery and challenge. Golfers will be tested to their maximum capability. Most shots require accuracy and many of the fairways slope. All the holes are memorable, but few as memorable as the 18th. Undoubtedly, it is one of the most challenging finishing holes in Hawaii. It's one course you should definitely have on your play list.