# Upper Tower

> gate tower in Aarau in the canton of Aargau, Switzerland

**Wikidata**: [Q2009489](https://www.wikidata.org/wiki/Q2009489)  
**Source**: https://4ort.xyz/entity/upper-tower


## References

1. Swiss Inventory of Cultural Property of Regional Significance, February 2017
2. [Source](https://www.housing-stat.ch/de/query/egid.html?egid=00021)
3. [Source](https://www.ag.ch/denkmalpflege/suche/detail.aspx?ID=1160)
4. Federal Register of Buildings and Dwellings
5. [Source](https://www.housing-stat.ch/de/query/egid.html?egid=263094962)
6. [Source](https://www.housing-stat.ch/de/query/egid.html?egid=263093406)