Galway Mountain Rescue Team responded to a call for assistance in the south Bens area yesterday.
The team made contact with the casualties late last night.
One person was walked off, while the second received further first aid care from the team.
After a long night in the hills and extracting the two casualties separately, the team was stood down at around 11 o’clock this morning and returned to base.
Galway Mountain Rescue team have thanked the Mayo Mountain Rescue for their assistance overnight.