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| O'Brien's Tower | |
|---|---|
Túr Uí Bhriain | |
 O'Brien's Tower | |
  | |
| General information | |
| Status | in use |
| Type | Observation tower |
| Location | Cliffs of Moher, County Clare |
| Town or city | Liscannor |
| Country | Ireland |
| Coordinates | 52°58′22.84″N 9°25′49.93″W / 52.9730111°N 9.4305361°W |
| Elevation | 188 m (617 ft) |
| Named for | Cornelius O'Brien |
| Opened | 1835 |
| Client | Cornelius O'Brien |
| Technical details | |
| Material | limestone |
| Floor count | 3 |
O'Brien's Tower marks the highest point of the Cliffs of Moher in County Clare, Ireland. It is located a short distance from the villages Doolin and Liscannor.