| Ilkley Roman Fort | |
|---|---|
 Remains of the outer walls at the Roman Fort, looking towards Ilkley Manor House | |
   Ilkley Roman Fort shown within West Yorkshire | |
| Known also as | Olicana |
| Founded during the reign of | Titus |
| Founded | c. 80 AD |
| Abandoned | 4th - 5th century AD |
| Place in the Roman world | |
| Province | Britannia |
| Nearby water | River Wharfe |
| Structure | |
| — Stone structure — | |
| — Wood and earth structure — | |
| Stationed military units | |
| — Cohorts — | |
| First cohort of the Lingones tribe | |
| Location | |
| Coordinates | 53°55′37″N 1°49′30″W / 53.927°N 1.825°W |
| Town | Ilkley |
| County | West Yorkshire |
| Country | England |
| Reference | |
| UK-OSNG reference | SE115478 |
| Site notes | |
| Excavation dates | 1919-21 |
Ilkley Roman Fort is a Roman fort on the south bank of the River Wharfe, at the centre of the modern town of Ilkley, a Victorian spa town in West Yorkshire, England.