Langeveldseslag - A coastal site near The Hague
Although the dunes in Holland are not high (10 - 20m) there's good soaring to be had in the early Spring and Autumn before the summerhouses are built on the beaches. The only official launch site is at Langgeveldseslag near the Hague.
Rob about to take off
Worth the wait
Holland is not limited to dune flying. There are a number of active winch groups dotted around the country. Below is a link to the biggest :-
The Hanggliding Club - De Buizerd