The body of a man was discovered close to the Avon Aqueduct near Linlithgow last Sunday morning.
It followed a report to police of concern for his wellbeing.
A Police Scotland spokesperson said: “Emergency services were called to called to the Avon Aqueduct area around 6am on Sunday, April 2 following a report of concern for a 59-year-old man, who was sadly pronounced dead by the Scottish Ambulance Service.
“The death is being treated as non-suspicious and a report has been submitted to the Procurator Fiscal.”
The 26 metre high Avon Aqueduct carries the Union Canal over the River Avon, near Linlithgow