The Queensland Parks and Wildlife Service is reviewing climber safety at the Glass House Mountains on the Sunshine Coast.
Area manager Mark Cody says there has been an increase in the number of people ignoring track closed signs on Mt Beerwah and Mt Coonowrin.
Mr Cody says all risks are being reviewed and there will be extra patrols to keep walkers out of the area.
However, he says some people continue to ignore the warnings, putting their lives at risk.
"I suppose prisons have trouble keeping people in and we don't go to that extent to keep people out," he said.
"What we do try and do is through patrolling, that face-to-face education, through pamphlets and with our signage we hope that we get the message across to any reasonable person that may be choosing to access that site."
He says the rock slides that closed Mt Beerwah in 2009 and 2010 included tonnes of dirt and car-sized bolders and smashed large trees.
"Absolutely annihilated a lookout that we had there," he said.
"I suppose the risk is if something like that were to happen again, total obliteration, but also probably the more significant risk now that things are settling down is people slipping on smaller rocks or dislodging smaller rocks onto the people below them."