# Tjockö lighthouse

> lighthouse in Norrtälje Municipality, Baltic coast, Sweden

**Wikidata**: [Q33195246](https://www.wikidata.org/wiki/Q33195246)  
**Source**: https://4ort.xyz/entity/tjock-lighthouse


## References

1. Swedish list of lights. 1978
2. [Fyrwiki](https://fyr.org/wiki/index.php/Tjock%C3%B6)
3. [notice to mariners. 2025](https://ufs.sjofartsverket.se/pdf/2025/1072SV.pdf)
4. [NGA List of Lights, Radio Aids and Fog Signals. 2017](http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub116/Pub116bk.pdf)