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:
More top news
Susan Graham, aged 58, was last seen at Sainsbury's in Penrith on 20 November 2017.
Kerrie Gosney brings you Sunday night's forecast
A machete and an air rifle were among the items stolen