# Grundkallen lighthouse

> lighthouse in Östhammar Municipality, south Bothnian coast, Sweden

**Wikidata**: [Q5612092](https://www.wikidata.org/wiki/Q5612092)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grundkallen)  
**Source**: https://4ort.xyz/entity/grundkallen-lighthouse


## References

1. Swedish list of lights. 1978
2. [Fyrwiki](https://fyr.org/wiki/index.php/Grundkallen_kassunfyr)
3. notice to mariners. 1991
4. [NGA List of Lights, Radio Aids and Fog Signals. 2017](http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub116/Pub116bk.pdf)
5. GeoNames
6. BabelNet