| Qahqaheh Castle | |
| Native Name: | قلعه قهقهه |
| Location Town: | Meshgin Shahr County |
| Location Country: | Iran |
| Building Type: | Castle |
Qahqaheh Castle (fa|قلعه قهقهه) is a castle located 85 kilometres away from Meshginshahr in Ardabil Province, Iran. This castle was built in the mountains and was used as a jail for anti-kingdom politicians during the Safavid dynasty. Ismail II, the third king of the Safavid dynasty was the most famous person who was imprisoned in Qahqaheh Castle.[1] [2]