| Site Name | Ardgowan Island, Gwydir River, Liverpool Plains PD |
| Aboriginal Place Name | |
| Language Group | Wiriyaraay or Gamilaraay or Yugambul |
| Colony | NSW |
| Present State/Territory | NSW |
| Police District | Muswellbrook |
| Latitude | -29.526 |
| Longitude | 150.334 |
| Date | Between 1 Aug 1838 and 31 Aug 1838 |
| Attack Time | day |
| Victims | Aboriginal People |
| Victims Killed | 9 |
| Victims Killed Notes | Killed: M 9. |
| Attackers | Colonisers: Manager, Stockman |
| Attackers Killed | 0 |
| Attackers Killed Notes | Killed: M |
| Transport | Horse |
| Motive | Opportunity |
| Weapons Used | Firearms, muskets, pistols |
| Narrative | Charles Eyles, manager at Crawford's station and two stockmen, James Dunn and William Allen, shot and killed 9 Gomeroi people on Ardgowan Island and burnt and buried the bodies in a shallow grave. |
| Sources | CCL Mayne to Thomson, 23-28 Feb 1839, SRNSW CSR39/2519 (Sources PDF) |
| Corroboration Rating | ** |