# Q41534940

> lighthouse in Östhammar Municipality, south Bothnian coast, Sweden

**Wikidata**: [Q41534940](https://www.wikidata.org/wiki/Q41534940)  
**Source**: https://4ort.xyz/entity/q41534940


## References

1. Swedish list of lights. 1978
2. [notice to mariners. 2022](https://ufs.sjofartsverket.se/pdf/2022/920SV.pdf)
3. [NGA List of Lights, Radio Aids and Fog Signals. 2017](http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub116/Pub116bk.pdf)
4. [notice to mariners. 2025](https://ufs.sjofartsverket.se/pdf/2025/1087SV.pdf)
5. [Fyrwiki](https://fyr.org/wiki/index.php/Tolv%C3%B6regrundet)