Waltham Windmill

Waltham Windmill is a six-story brick mill near Grimsby fitted with six double-sided patent sails and four pairs of grinding stones for milling flour. The structure still operates today and demonstrates how large-scale flour production worked using mechanical power from wind.

The mill was built between 1878 and 1880 by John Saunderson of Louth, replacing earlier structures that occupied the site since 1666. It represents a key phase of industrial milling in Lincolnshire during the late 1800s.

The windmill serves as an educational center where students learn about milling processes and agricultural heritage through guided tours and demonstrations.

The site contains several areas to explore including the working mill, museum sections, and a miniature railway attraction. Visitors should allow time to move between different areas and can take advantage of on-site dining options.

During World War II the mill owner defended the building with a shotgun against plans to demolish it as a potential navigation point for German bombers. This unusual action shows how much the structure meant to the local community.