Those parts of North Yorkshire, West Yorkshire and South Yorkshire.
Bounded by: On the North by A684 from Hawes (via Leyburn) to the A1. THE A684 TO NORTHALLERTON. A168 from Northallerton to SOUTH KILVINGTON ROUNDABOUT (A168/A61)and a straight line to Ravenscar. On the South by the Humber and River Ouse to Old Goole. A straight line to M18/M62 (JUNCTION35). M62 To (Junction 34)at A19, Whitley Island. Straight lines to A628/A638 at Ackworth Moor Top Island, to A628/A629 at Hoylandswaine Island. The A628 to the Yorkshire Boundary at Salters Brook Bridge. On the West by the West Yorkshire/Greater Manchester boundary to Blackstone Edge at the A58/B6138 junction and then straight lines to Earby/A56, Earby to Clapham/A65 and Clapham to A684 at Hawes.