Podzámecký mlýn, Renaissance watermill in Brandýs nad Labem, Czech Republic.

Podzámecký mlýn is a watermill on Na Celné street by the stone bridge over the Elbe at river kilometre 865.2. Its present form dates from a complete rebuild in 1850–1860: a basilica-like layout with a two-storey central tract, lower side tracts with atlases, mansard roof with three dormers per side, and façades with neo-Romanesque and neo-Gothic elements. A Francis turbine from 1930 survives inside.

A watermill with a Renaissance core is documented in 1603, standing on the site of an older mill; with ten wheels it was the largest mill in Bohemia. A gem-cutting workshop was added during the 1848 rebuilding, and a new riverside section was built in 1850–1860 next to the former customs house. After the 1933 flood the machinery was modernised to 600 quintals of grain a day, and in 1948 the mill was nationalised and attached to the Odkolek company in Prague.

The mill shows how important water power was for daily work in this region. You can see how the building sits directly on the river and used the infrastructure for milling operations.

The building is not accessible to visitors, but you can view the exterior and structure from the adjacent stone bridge. This vantage point offers the best view of the building side and the water-power system.

The mill's tailrace was rebuilt in 1980 as an artificial slalom course for kayaks, so the water that once drove the wheels now runs a whitewater channel beside the stone bridge. The site also kept a Francis turbine from 1930, preserved inside the building.