A teenager had to be airlifted to hospital after falling into a quarry at Mugdock Country Park.
Emergency services were alerted to the incident in East Dunbartonshire during the early hours of Sunday morning.
An 18-year-old man was transported to Glasgow’s Queen Elizabeth University Hospital as a precaution.
Five others in the group were found safe and well by the rescue teams.
A Police Scotland spokesperson said the alarm was raised at around 12.20am.
They added: “Emergency services attended and an 18-year-old man was conveyed to Queen Elizabeth University Hospital by helimed as a precaution.
“Five other persons were traced safe and well.”