Talk by Robin Grayson: The Secret Tunnels Beneath Manchester

Wednesday 18th March 2026 - Britons Protection, Manchester

We are delighted to invite you to an enthralling talk by distinguished geologist and engineer, Robyn Grayson, who will be shedding light on the remarkable underground world beneath Piccadilly Gardens and stretching all the way to Salford.

Robyn will present a series of colour slides, offering a full explanation of the extensive GPO tunnels that lie hidden beneath our city streets. These tunnels, once serving as a vital nuclear bunker and featuring railway tracks, played a significant yet secretive role in Manchester’s history.

This is a unique opportunity to gain insight into one of the city’s most fascinating and little-known engineering feats. Whether you are interested in local history, engineering, or simply enjoy a captivating story, this event promises to be both informative and engaging.