Marston Hall Mine canal burst, 1907

On Sunday 21 July 1907 the flooded workings of the Marston Hall rock-salt mine gave way beneath the Trent and Mersey Canal near Marston, Cheshire. The canal bank burst, a chasm some sixty feet across opened, and half a mile of canal emptied through it. Nobody is recorded as killed, and the breach was repaired in just over two weeks.

Cause

Subsidence over the Marston Hall Mine, which lay under the canal at this point and had flooded in 1905. The settling ground fractured the culvert that carried Forge Brook beneath the canal, which undermined the canal bed.

Contributing factors

The mine's roof had been cracking since at least 1873, when the pillars were enlarged and set closer together, and timber cradles had been built to support it along the line of the canal above.

What happened

Anglers on the bank that morning heard a loud rumbling 'like distant thunder'. A whirlpool appeared near the opposite bank, water began to pour over the side, and within seconds the bank gave way; the rush of water scoured a chasm about sixty feet across and thirty deep. The torrent ran down towards the Witton and Marbury brooks, carrying trees and tons of sand and clay with it. Boats were drawn towards the breach: some boatmen had to drive their horses forward to avoid being pulled back into the hole, while other boats were swept ahead of their horses, which had to be cut loose. The flood gates at Marbury were closed and stop planks put in at Marston, but half a mile of canal was left empty with boats stranded on the mud, some of them capsized.

Rescue & recovery

Up to 200 men packed the breach with clay by spade and wheelbarrow, and the canal was repaired in just over two weeks. One heavy iron barge proved too difficult to salvage and was buried where it lay.

Recorded claims

Individual factual claims, each attached to the source(s) that support it below. Where sources disagree, both are kept.

• The canal burst on Sunday 21 July 1907 and all its water was lost. ^1,2
• The burst was caused by subsidence from the collapse of the Marston Hall Mine, which lay under the canal and had flooded in 1905; the culvert carrying Forge Brook under the canal fractured and undermined the canal bed. ^3,1
• The escaping water scoured a chasm some sixty feet across and thirty feet deep, and half a mile of canal was left empty. ¹
• The 1907 surface collapse over the mine was about four metres deep. ⁴
• Up to 200 men packed the breach with clay and the damage was repaired in just over two weeks. ¹
• The Salt Union lost two barges, and one heavy iron barge was buried where it lay. ¹

Related terminology

Mining terms this disaster is structurally linked to, with the nature of the relationship.

• Subsidence (direct cause)
  The ground over the flooded mine subsided, breaking the culvert under the canal.

Photographs & further reading

This page doesn't try to reproduce everything — these are the best original sources found for this disaster.

Sources

1. (secondary) The Great Canal Burst — Lion Salt Works, West Cheshire Museums
2. (primary) Geological hazards from salt mining, brine extraction and natural salt dissolution in the UK — British Geological Survey (NERC Open Research Archive)
3. (primary) Saltscape Project, Northwich, Cheshire: assessment of sites for archaeological fieldwork (Project A8, report 2015-001) — Cheshire West and Chester Council (Chris Hewitson)
4. (secondary) Long-term time-lapse microgravity and geotechnical monitoring of relict salt mines, Marston, Cheshire, U.K. (Geophysics 77(6), B287-B294, 2012) — Pringle, Styles, Howell, Branston, Furner and Toon; Keele University repository
5. (secondary) Northwich: The Town With That Sinking Feeling — TimeTravel-Britain

Record created: 1 October 2026 · Last researched: 1 October 2026