Coming from the highway Amersfoort-Hengelo (A1) take the exit Deventer, then towards Zutphen. In Eefde turn left at the traffic lights, follow sign through traffic. Outside the village at the junction keep right.
follow Harfsense Lane. After about 4 km turn left, Deventerdijk. After 500m you will see the park left.
From Eefde there are signs "Calluna".

For the right location you plan something up (so the image down) on the Google map to scroll. You see then magically appear park.

The coordinates are: 52.110280 6.160064