Willow trees can be found throughout the golf course. Willow trees were in the past planted a lot neat the boundaries of meadows forming natural fences. The wood was used to weave baskets or as firwood. The amount of While Willows has strongly diminished. The remaining old Willows serave as ideal breeding places for hollow-breeders like the little owl. (Athena Noctua) On both sides of the 9^th Willow trees form a natural boundary of the Hole.