Santa will be on the train for two return journeys from Ely to Peterborough on Saturday, December 12.
The event has been organised by the Hereward Community Rail Partnership and Abellio Greater Anglia.
Santa will start his first journey at Ely at 10.58am on the train that calls at Manea, March and Whittlesey, before arriving at Peterborough at 11.39am.
He will then take the 11.50am train back to Ely, arriving there at 12.32pm.
On his second return trip he will leave Ely at 12.58pm, getting to Peterborough at 1.39pm.
Father Christmas will then head back on the 1.50pm service, which is due in at Ely at 2.32pm.
Volunteers from the Friends of March Railway Station will be assisting on the day.
– For more information on the Hereward Community Rail Partnership and details of local train services go to www.fenland.gov.uk/herewardcrp