One of the thickest oaks in Park Sonsbeek is also the one its surveyor is worried about. The national register groups this tree with two other heavy oaks standing near it at the northeast edge of the Sonsbeek meadow and calls the three of them among the most impressive in the park: wide crowns, real height, the kind of trees that set the tone for a whole corner of ground. Then the condition notes take over. For decades the trunk and crown were sound, and the October 2013 storm cost this one only a small branch. The 2022 survey found something else: almost no increase in girth since the previous measurement, deadwood through the crown, and weak regrowth where new shoots should have been. The surveyor's own words were that the tree appears to be declining strongly. It was alive and standing at that observation, which is the most recent evidence anyone has published, and an oak in decline can take decades over it. Worth seeing while the crown is still up. It was planted somewhere between 1810 and 1820, in a meadow that is now the park's open lawn, and it stands at the woodland edge where the grass runs out. Free, any day. If you find it in better shape than its file suggests, tell us and we will say so here.
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Getting there
Park Sonsbeek, woodland edge at the northeast side of the Sonsbeekweide (Sonsbeek meadow), Arnhem
You can recognise it by deadwood through the crown and weak regrowth, one of three heavy oaks standing together. It stands at the woodland edge on the northeast side of the Sonsbeek meadow, where the grass runs out.
Park Sonsbeek, north Arnhem; about a 20 minute walk from Arnhem Centraal station
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.
Sources
Where the facts on this page come from. The story was written with AI from these sources, and readers who know the tree correct it.
- In the official register: Landelijk Register Monumentale Bomen (Bomenstichting), no. 1693766
- Landelijk Register Monumentale Bomen v2024 (LRMB), Bomenstichting (nr 1693766)
- services-eu1.arcgis.com