Thousands of people will be descending on Keswick over the next four days for the town's Mountain Festival. They're coming to see famous speakers, live bands and to watch or take part in mountain sports.
This year, due to popular demand, there are more triathlon events than ever before. The sport is fast becoming one of the most popular in the Lakes.
Fiona Marley Paterson went to meet one family who love getting involved:
There's so much to choose from, it's a good idea to plan ahead. Here's a list of what's going on at this year's Keswick Mountain Festival.
Organisers of Keswick's Mountain Festival are gearing up for their biggest festival yet. It's 4 days of music, camping and sports.