The water quality of Valkenburgse Meer at Leiden

What is the swimming water like? Valkenburgse Meer? On the water map below you'll see the swimming location in its immediate vicinity. On the right of on this page you will find all information about the current weather, at the bottom of the swimming spots in the area.



Open the Water Map for Leiden in full window
The Valkenburgse Meer ligt ten west of Leiden. The Lake lies sandwiched between Wassenaar, the military airfield Valkenburg, Valkenburg and the A44. The Valkenburgse Meer is created by sand extraction and today the day finds there still always active sand extraction place in the west part of the lake. Het swimming beach located on the southeast side of the Valkenburgse Meer, on the J. Pellenbargweg.



Swimming spots nearby

1. Katwijk aan zee boulevard noord: water quality is good
2. Katwijk aan zee boulevard zuid: water quality is good
3. Klinkenbergerplas noordwestoever: water quality is good
4. Klinkenbergerplas westoever: water quality is good
5. Valkenburgse meer: water quality is good
6. Vlietland badstrand noordoostoever: water quality is good
7. Vlietland speelvijver: water quality is good
8. Vlietland surfstrand noordwestoever: water quality is good
9. Waterspeelplaats cronesteijn: water quality is negative swimming advice


The weather in Leiden, now:


Zwaar bewolkt

The current weather in Leiden is Zwaar bewolkt
Wind Force 3 bft | 9.7 Knopen | 18 km/h
Wind direction NW
Wind arrow
Today: In het oosten plaatselijk onweer


Extended weather forecast for Leiden (click)



Swim at Valkenburgse Meer

The bathing water quality at Valkenburgse Meer is good
Last check 15-07-2024

E.coli: 15 n/dl (below 1800 is ok)
Intestinal enterococci: 15 n/dl (under 400 is ok)
Sandy beach
Waste bins
Monitoring category D
Information board
Fresh water

Water temperature


Measurement time: 21 juli, 13:10
(more info)
Ommedijkseweg, Leiden
Do you have any questions about this swimming location? Contact the administrator:

Gemeente Katwijk
Phone: 071-4065000


Photo of Valkenburgse MeerFoto: Gemeente Katwijk

Information board

The information board at the swimming location Valkenburgse Meer


The water temperature value comes from the nearest official Rijkswaterstaat measuring station and is an approximation for this location. Always take local conditions into account, it is usually colder in deeper water than on the shore!
The water quality measurement is based on the amount of bacteria in nanograms per deciliter (n /dl). In this case it concerns the intestinal bacteria Escherichia coli (E.coli) and intestinal enterococci, which occur in the feces of both animals and humans. A suddenly high value is often related to bird droppings in the water, for example, but can certainly also have other causes. It is unwise to swim in water where these values exceed the standards. The water manager also inspects the bathing water areas for other types of pollution, such as blue-green algae or other toxic algae and general safety features.

More information about this swimming location can be found at

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