Police have closed the A592 closed from Windermere Marina to Newby Bridge due to flooding.
Vehicles are also stuck near the Hill of Oaks Caravan Site.
Motorists are being told to avoid the route.
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The 14-year-old's body was found in a cemetery in Carlisle last June. George Thomson and Brahnn Finley have been found guilty of murder.
Cumbria Fire Service is reminding families of how easy pan fires can start and give their tips on how to handle one.