The tyres on about 50 cars parked along the access road and carpark leading to Mt Warning were slashed in the early hours of Sunday, 1 January.
Tweed police have issued an appeal for anyone with information that might help catch the person, or people responsible.
The vehicles were targeted while their owners were either climbing to or from the peak of Mr Warning to see the first sunrise of the new year.
Police said an unknown person has used a sharp object to slash up to 50 tyres of vehicles parked along the road.
In some cases vehicles had two tyres slashed, meaning they could not use a spare to make the vehicle mobile again.
This meant the vehicle owners and their families were stuck at the location waiting for roadside assistance.
Police are investigating whether the tyre slasher might be a disgruntled property owner unhappy with the influx of visitors, or whether it was just a random act.
Anyone with information should contact Crimestoppers or Murwillumbah Police on 02 66729499.
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