Stay
Hotell Roslagen, Norrtälje
Read more →Långsjön syd
Official bathing spot in Vallentuna municipality (EU bathing-water register).
Contact
- Summer
Bathing water quality
Utmärkt kvalitet (2025)
Latest sample 20 °C · 2 August 2026Maintained by the municipality · 08-58785000 · municipal page
Updated 22 September 2026 · Source: Swedish Agency for Marine and Water Management
The sea right now
~16°C sea tempTavastland · updated 19 September
40 cm water levelStockholm Frihamnen · updated today
Source: SMHI · nearest station, not exact at this location
Getting here
Getting here
Brollsta · 2224 m away
No departures in the next few hours.
Distance as the crow flies
- Stockholmapprox 35 km
- Uppsalaapprox 50 km
- Norrtäljeapprox 28 km
As the crow flies — not driving distance.