| Site Name | Gan Gan |
| Aboriginal Place Name | |
| Language Group | Yolgnu ? Dhalwangu people |
| Colony | NT |
| Present State/Territory | NT |
| Police District | River at Gan Gan |
| Coordinates (imprecise to approx. 250m) | -12.816,136.057,0 |
| Date | Between 1 Jan 1911 and 31 Dec 1911 |
| Attack Time | Day |
| Aboriginal People Killed | 30 |
| Aboriginal People Killed Notes | More than 30 men, women and children. |
| Non-Aboriginal People Killed | 0 |
| Non-Aboriginal People Killed Notes | |
| Attacker Category | Balanda (white people) with Aboriginal police trackers |
| Attacker Details | Police |
| Motive | Reprisal for death of Aboriginal woman |
| Type Of Motive | Reprisal |
| Weapons Used | Used by Aborigines - unknown; police used firearms. |
| Notes | |
| Narrative | A police tracker's female relative (from elsewhere) happend upon a mens' ceremony and was killed. This was a reprisal after the tracker told police where the Yolgnu people were. |
| Sources | Yunupingu, G July 2016; Yunupingu, B 1981; NAA, Uncommon Lives, Dhakiyarr Wirrpanda; Warren Snowdon MHR, 2016; Gumana, B biography (https://www.aboriginal-bark-paintings.com/birrikidji-gumana/) (Sources PDF) |
| Corroboration Rating | *** |