# Alt-Thierstein Castle

> castle ruin in Gipf-Oberfrick im Kanton Aargau, Schweiz

**Wikidata**: [Q1015229](https://www.wikidata.org/wiki/Q1015229)  
**Source**: https://4ort.xyz/entity/alt-thierstein-castle


## References

1. Swiss Inventory of Cultural Property of National Significance, February 2017
2. Burgenwelt