Most of the film was made in West Yorkshire, and you can find tours of the area at Visit Bradford.
The children’s home,‘Three Chimneys’, can be found a couple of miles to the south of Oakworth in the village of Oxenhope. It's Bents Farm, a little to the north of Oxenhope Station at the end of the road running south from Marsh Lane.
You’ll find the tunnel, where schoolboy Jim injures his leg during the paperchase, north of Haworth toward Oakworth. It's the Mytholmes Tunnel, Mytholmes Lane, while a few yards south on the line is the Metal Bridge seen in the famous ‘goodbye’ shot.
Lionel Jeffries’ 1970 film remains probably the best loved version of E Nesbit’s famous book about the Waterbury family, three Edwardian children and their mother, who have to move to Yorkshire when daddy is wrongly imprisoned.