Part Two of Crossing the Pennines leaves the committee room and steps into weather, stone, and risk.

Huddersfield Canal - The route has been authorised. The capital raised. The ambition declared. Now the canal must confront the Pennines themselves.This is the section where engineering becomes exposure. We climb the lock flights that lift water against gravity. We stand at the summit pound, where every inch of depth must be rationed. We examine reservoirs cut into moorland, where rainfall becomes infrastructure and drought becomes danger.And then, when locks can rise no further, the canal turns inward.Into shafts sunk through peat and gritstone. Into headings driven in darkness. Into a tunnel that demanded steam engines not as innovation, but as survival—pumping water, hauling spoil, sustaining men underground.Part Two is not about elegant lines on maps. It is about persistence under pressure. About labour measured in inches. About costs escalating as rock resists.Here, the canal stops being a proposal and becomes a wager.Because to cross the Pennines was never simply to build.It was to endure.