The grounds also include campsites, lodges, and some sporting facilities.

[2] The Duinrell farm in Wassenaar dates as far back as 1646 as part of a large estate.

In 1935 the estate opened to the public with a restaurant and "Oranjerie," eventually adding campgrounds, a swimming pool, and developing into a recreational estate.

[3] As of 2022[update], the park is visited by well over a million people each year.

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