Open-Air Water Power Museum, Industrial heritage museum in Dimitsana, Greece.

The Open-Air Water Power Museum in Dimitsana is an outdoor facility that displays how water was used to operate traditional crafts and production activities. The site contains restored workshops including mills, tanneries, and other facilities that show how communities powered their work without modern machinery.

Dimitsana was among the villages that collected impure saltpetre from the 16th century and supplied it to the Ottomans as tribute. During the 1821 Revolution, locals used water-powered mills such as the baroutomylos to make gunpowder for the Greek fighters. Theodoros Kolokotronis wrote: "We had gunpowder, Dimitsana made it."

The site reflects how mountain communities relied on water to power their daily work and production needs long before modern industries. Walking through, visitors see the tools and spaces where local people once earned their living and sustained their families.

Wear sturdy walking shoes because the paths follow mountain streams and can be uneven in places. Plan to spend enough time to comfortably see all the workshops and understand how each water-powered mechanism actually worked.

The gunpowder mill stands at the end of the stone-paved path, past a natural basin fed by the Kefalari spring. Dimitsana collected saltpetre from the 16th century and paid it to the Ottomans as tribute; during the 1821 Revolution the villagers supplied the fighters, and Kolokotronis wrote: "We had gunpowder, Dimitsana made it."