A "DISGUSTING" attack on the Myall Creek Massacre Memorial has infuriated Aboriginal elders and Northern Tablelands MP Adam Marshall.
Upgraded just months ago, new sections of the site have been damaged and several items removed, according to NSW Police.
Memorial committee founding and life member Aunty Sue Blacklock, a direct descendent of survivors of the massacre, said she was "just saddened" by the attack.
Committee member Marilyn Isaacs, also a direct descendant of massacre survivors said it wasn't the first attack and it was time for a security upgrade.
"This place is about reconciliation. I just feel sorry for these people," he said.
The memorial, just outside Bingara, commemorates the infamous 1838 slaughter of 28 unarmed Aboriginal men, women and children by white stockmen.
The Friends of Myall Creek Committee said vandals damaged areas connected to the new sections of the site, damaging and removing several items connected to the amphitheater, and one of three water tanks built to water the bush garden.
The newly built section opened in February 2021, funded by a state government grant.
A plaque along the Memorial Walk was also vandalised, but it's unknown if that attack was committed by the same person.
Northern Tablelands MP Adam Marshall said more than 20 years of hard work had gone into making the massacre site a place of cultural healing and reflection.
"I hope those who caused damage take a good hard look at themselves and do the right thing by handing themselves into NSW Police," he said.
"I am committed to working with the Friends of the Myall Creek Memorial to making the site a safe and welcoming space for all."
Several items have been already repaired by the Gwydir Shire Council.
The memorial was unveiled in 2000.
It has been vandalised twice before, and the committee has a policy of leaving any marks in place without repair as part of the lesson about racism the memorial provides.
The nearby Waterloo Creek massacre, which cost the lives of as many as 200 unarmed Indigenous people, was granted heritage protection earlier this year.
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