They were turned around late on Saturday night.
Gardai turned away more than 100 cars who'd arranged to meet in an environmental park in Laois over the weekend.
The vehicles were stopped in Glendine and Kinnitty, with some minor offences detected.
It's believed the drivers were all going to the same area of the Slieve Blooms late on Saturday night.
Laois Fire Fighters Tackle Latest Bog Blaze
Fire fighters have been dealing with bog fires across the Midlands for weeks.
"Great" Local Link Midlands Route Mothballed Over Funding Gap
It's hoped the route's launch will be confirmed after Budget 2027.
Temperatures Of 30 Degrees Forecast For Leinster Counties
A high temperature warning is now in effect for Laois, Offaly, and Westmeath.
Planning Permission Approved For New 800 Pupil Secondary School In Midlands
The Coláiste Phobal in Roscrea has been given the green light.
Annual Rose Of Tralee Tour Underway
Westmeath Rose Caoilfhinn Ní Choiligh is one of this year's contestants.
Longford-Westmeath TD Urges Action On Vacant HSE-Owned Buildings
120 HSE-owned buildings have been vacant for over 12 months, including 11 in Westmeath.
Taoiseach Backs Offaly Camino Proposal
The initiative would aim to develop the Grand Canal Greenway into a tourist destination.
Laois Pride Launch Writing Competition In Memory Of Joe Drennan
The annual competition will honour the memory of Joe Drennan.
