Mountain Rescue teams across the country took part in over 270 call-outs last year.
The volunteer rescue crews operate in eleven locations across the Republic and Northern Ireland, often working to support other teams as the need arises.
New data, compiled by Mountain Rescue Ireland, shows the extent of their endeavours in 2017.
Teams around the country responded to a total of 272 call-outs, with just over a quarter of these occurring during the night.
The crews dealt with 154 cases relating to injuries sustained. They undertook search operations for 88 people who got lost on mountain ranges.
The vast majority of call-outs were linked to difficulties encountered by people who were hiking.
Lower body injuries were the most common ailments suffered by those in need of assistance.