Great Shunner Fell is the third-highest mountain in the Yorkshire Dales, North Yorkshire, England, and the highest point in Wensleydale; at 716 metres above sea level. In clear weather the summit affords views of Wensleydale to the south, Ribblesdale to the southwest and Swaledale to the north, as well as views into Cumbria and County Durham beyond …Great Shunner Fell is the third-highest mountain in the Yorkshire Dales, North Yorkshire, England, and the highest point in Wensleydale; at 716 metres above sea level. In clear weather the summit affords views of Wensleydale to the south, Ribblesdale to the southwest and Swaledale to the north, as well as views into Cumbria and County Durham beyond the A66.