The Battle of Torrington took place on 16 February 1646, during the final collapse of Royalist resistance in the west of England in the First Civil War. Great Torrington occupied a strong position above the River Torridge in Devon. Its approaches and streets offered opportunities for defence, and Royalist troops under Ralph Hopton fortified the town. Opposing them was the New Model Army commanded by Sir Thomas Fairfax, whose victories had already transformed Parliament's prospects in the national conflict.

By early 1646 the Royalist position in the southwest was increasingly difficult. Holding towns and collecting supplies could delay defeat, but commanders struggled to replace losses and maintain cooperation among exhausted forces. Fairfax's army possessed greater momentum and a more effective military organisation. Torrington became a point at which these unequal circumstances met a defensible landscape. The action was consequently important not because either side had selected an ideal setting for a formal battle, but because pursuit and resistance brought their troops into close contact.

Fighting developed from preliminary clashes into a substantial assault during the evening and night. Parliamentary infantry pressed the defences and entered the town, while the Royalists fought through its confined streets before retreating. Darkness and the built environment made control difficult. The engagement illustrates the difference between a battle fought in ordered lines on open ground and an attack that escalated around barricades, houses and narrow approaches, where local breakthroughs could rapidly make an apparently strong position impossible to hold.

A devastating gunpowder explosion in the parish church became the most remembered episode of the battle. Powder had been stored inside, and the blast caused extensive destruction and loss of life. Accounts disagree about the circumstances, responsibility and victims, so exact casualty claims require caution. Hopton's surviving force withdrew into Cornwall. Its subsequent surrender near Truro in March marked the effective end of the principal Royalist field army in the southwest, although resistance elsewhere in England did not cease at the same moment.

The modern town retains the essential relationship between its elevated site, surrounding approaches and the Torridge valley, but later construction has altered the detailed battlefield. The church's history includes rebuilding after the explosion, and commemorative accounts can give that dramatic event more attention than the wider campaign. Understanding Torrington requires both scales: the frightening experience of a night assault within a civilian settlement and the strategic exhaustion that made recovery from defeat unlikely. It was a local catastrophe with consequences for the remaining course of the war.