Cave Rescue Organisation Formed in 1935, The Cave Rescue Organisation (CRO) is the oldest cave rescue organisation in the world. It was originally formed by cavers specifically to rescue cavers but, since the 60s, has also been a mountain rescue service. Today the majority of the call-outs are for above ground incidents of which there were 99 in 2016, ranging from injured walkers, climbers, trapped livestock, road and mountain bike…