North Yorkshire Council and local fire services deployed fresh educational markers at River Swale access points near Richmond, Swaledale, and Reeth. The campaign warns visitors about the sudden onset of cold water shock and dangerous hidden undercurrents.
Jasmine Harrison joined emergency teams to highlight that even during warm summer afternoons, mountain-fed Dales rivers remain dangerously cold beneath the surface.
Fire chiefs are distributing digital safety guides to local holiday parks and campsites to ensure outdoor visitors recognise open water hazards before swimming.