It branches off the main route to connect the town of Thirsk to the National Cycle Network.
It branches off NCN 65 on the outskirts of the town in the direction of York.
It takes an indirect route via quiet roads in the Vale of York to Thirsk.
The path north out of Thirsk contains the routes only traffic free section, a dual use pavement alongside the A61.
The northern section of NCN 657 from Thirsk to Upsall is made up of quiet country lanes though rolling countryside.