Dún Aonghasa is over 3,000 years old. Excavations have revealed significant evidence of prehistoric metalworking, as well as several houses and burials. The whole complex was refortified in AD 700–800.
| Photo ID | 675609 -40 |
| Licence type | Royalty-free |
| Location | Unnamed Road, Kilmurvy, Co. Galway, Ireland |
| Taken | 2018:06:28 10:01:58 |
| Camera | FC2103 |
| Shutter speed | 1/65 |
| Aperture | f/2 |
| Focal length | 4mm |
| Altitude | 34 |