Keighley & District 500, Keighley - Hebden Bridge via Haworth & Oxenhope. Every hour, taking 50 mins. Down the Worth Valley to the Bronte's Haworth, then up and over 'Wuthering Heights' to the spectacular Pennine town of Hebden Bridge. 

See http://www.keighleyanddistrict.co.uk/times/index.asp