The city of Katwijk is a popular tourist destination.

Berkheide is a small but important coastal area near Katwijk. With the formation of the dunes from the year 1100, the landscape can be called young. The area is open and calcareous and the subsoil of Berkheide consists of clay. In the north of the dune area there are many plants such as ear silene, small rattle, stinking horehound, rough millet grass and bitterwort broomrape. This is a so-called sea village and grassland vegetation. Water rail, bluethroat, redstart and the almost extinct wheatear breed between the dunes and in the grassy grasslands, while the foraging of the sand lizard and the natterjack toad are accompanied by the chirping of the blue-winged grasshopper. You park your car in the car park in Katwijk. Profile Paul is located here and we therefore advise you to have your bike checked here before you set off. With the bicycle discount card you get a 10 euro discount on maintenance or repairs and it is reassuring to know that your bicycle has been properly checked before you start the bike ride.