The water quality of De Leien at Rottevalle

What is the swimming water like? De Leien? 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 Rottevalle in full window
The bathing water is a few kilometers to north of Drachten, on the east of the lake The Leien, in the north of the municipality Smallingerland, at the border with the municipality Tytsjerksteradiel.



Swimming spots nearby

1. Dagrecreatieterrein klein zwitserland: water quality is good
2. De leien: water quality is warning
3. Smeliester sân: water quality is good
4. Swimplak blauwhoek: water quality is warning
5. Swimplak eastermar: water quality is good


The weather in Rottevalle, now:


Licht bewolkt

The current weather in Rottevalle is Licht bewolkt
Wind Force 2 bft | 3.9 Knopen | 7.2 km/h
Wind direction ZO
Wind arrow
Today: Af en toe zon en warm. Morgen meer zon, in de avond kans op een onweersbui


Extended weather forecast for Rottevalle (click)



Swim at De Leien

The bathing water quality at De Leien is warning
Last check 15-07-2024

E.coli: 770 n/dl (below 1800 is ok)
Intestinal enterococci: 30 n/dl (under 400 is ok)
Waarschuwing kwaliteit
This warning applies since: 17-07-2024
Fresh water
Bicycle shed
Sandy beach
Zwemzone delimited
Beach house
Information board
Surf possibilities
Sunbathing area
Waste bins, number: 5
WC / Toilets, number: 3
Diepte zwemlocatie: 80 centimeterDescending bottom
Changing room, number: 2
Water temperature


Measurement time: 19 juli, 07:10
(more info)
Bildreed, Rottevalle
Do you have any questions about this swimming location? Contact the administrator:

Staatsbosbeheer Regio Noord
Phone: 050 707 4444
Notifications about bathing water quality:
Provincie Fryslân


Photo of De LeienFoto: Staatsbosbeheer Regio Noord

Information board

The information board at the swimming location De Leien


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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