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The Koeweide Oak of Ockenburgh

NetherlandsThe HagueLoosduinen

Years old206-216
Girth3.35 m
SpeciesPedunculate Oak

Someone wrote a book length poem about this estate a century and a half before the oak was planted. Jacob Westerbaen, a Hague physician who turned poet, built Ockenburgh in the dunes behind Loosduinen in 1654 and then published thousands of lines describing his own grounds, walk by walk, tree by tree. The oak came much later. The register puts it in the 1810s, which makes it a little over two centuries old, growing on the north side of the Koeweide, the old cow pasture beside the country house. What it has watched is the estate's slow public turn. Ockenburgh went from private pleasure ground to a camping site to a municipal park, and the house itself stood derelict for years before it was restored. The dunes behind it were fortified during the German occupation, when the Atlantic Wall ran along this coast and large pieces of the landscape here were cleared for it. The oak kept its place on the pasture edge through all of it. The city owns the estate now and the gates and paths are free, which makes this one of the few two hundred year old trees in the country you can walk up to at any hour of any day.

The tree's yearIn fruit
now JanFebMarAprMayJunJulAugSepOctNovDec

In fruit

September to October: acorns drop, and a good mast year buries the ground in them

The line is our estimate of how much there is to see, not a measurement. Typical for this species where this tree stands; exact weeks shift with the year.

North side of the Koeweide, by the country house, Landgoed Ockenburgh, LoosduinenYou can recognise it as the oak standing alone on the old cow pasture, the Koeweide. It stands on the north side of the pasture, by the country house at Landgoed Ockenburgh.

Free, the municipal estate park of Ockenburgh, open at any time

Tram or bus to Loosduinen and a walk into the estate, roughly 35 to 40 minutes from Den Haag Centraal

Sources

Where the facts on this page come from.

  • In the official register: Landelijk Register Monumentale Bomen (Bomenstichting), no. 1679705
  • Landelijk Register Monumentale Bomen v2024 (Bomenstichting), register nr 1679705: Zomereik, N.zijde Koeweide bij landhuis Ockenburgh, Landgoed Ocke…
  • Bomenstichting Den Haag, 2026-08-18: the local branch pointed us at the national register as the source for The Hague's monumental trees; register…
  • services-eu1.arcgis.com

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