# Björnsgrundet

> lighthouse in Nacka Municipality, Baltic coast, Sweden

**Wikidata**: [Q33129597](https://www.wikidata.org/wiki/Q33129597)  
**Source**: https://4ort.xyz/entity/bj-rnsgrundet


## References

1. Swedish list of lights. 1978
2. [Fyrwiki](https://fyr.org/wiki/index.php/Bj%C3%B6rnsgrundet)
3. notice to mariners. 1989
4. [NGA List of Lights, Radio Aids and Fog Signals. 2021](https://msi.nga.mil/api/publications/download?key=16694312/SFH00000/NIMA_LOL/Pub116/Pub116bk.pdf)