Mountain rescuers in the Lake District are calling on walkers taking part in the three peaks challenge to be better prepared.
Over the last two months the number of call outs to help lost walkers has increased.
Many do not even carry basic equipment like a map and compass.
The rescue teams are also asking hikers to their waste home, because it's cluttering the summits.
We sent our reporter Samantha Parker up Scafell Pike to see what is troubling the rescuers: