Follow the N9 in the direction of Den Helder/Schoorl. Go left towards Schoorl at Schoorldam. After 800m., keep right and follow the road towards Groet. You will reach Eureka Vacation Cabins after about 4 km. on your right hand side.
From Den Helder
Follow the N9 in the direction of Alkmaar. Go right at Burgerbrug towards Petten; after 1400m., take a left turn towards Camperduin. After 4250 m., go left on the Heereweg in the direction of Groet and continue approximately for 1700 m.; find Eureka on your left hand side.