Thousands of people are visiting the Lake District this weekend, for the annual Big Chill Swim event.
The open water competition is part of the Winter Swimming World Cup, and it draws competitors and supporters from all around the globe.
This year's event is the organiser's biggest ever, and they say it provides a huge boost to the tourism industry, at a time of year when the Lake District is traditionally quieter.
The event takes place at the Low Wood Bay Hotel on the shores of Windermere.
But Ben Berry, of English Lakes Hotels, says the benefits of putting on a big event are spread across the area: