The River Kyle is a small river in North Yorkshire, England. At just under 6 miles long, it is one of the shortest classified main rivers in the country. The river is first called Kyle after the confluence of Carle Beck and Derrings Beck. From the confluence it flows south-east of the village of Tholthorpe, near Easingwold, past Flawith, Alne and Tollerton. At Lint…The River Kyle is a small river in North Yorkshire, England. At just under 6 miles long, it is one of the shortest classified main rivers in the country. The river is first called Kyle after the confluence of Carle Beck and Derrings Beck. From the confluence it flows south-east of the village of Tholthorpe, near Easingwold, past Flawith, Alne and Tollerton. At Linton-on-Ouse it turns south and joins the River Ouse just north of Newton-on-Ouse. From source to mouth, the river extends to just 5.8 miles in length.