The Museo dell’Acqua, or Water Museum, offers a different way into Siena’s history: through the resource that a hilltop city without a river had to work hard to secure. This small, specialised museum explores the relationship between Siena, its water supply and the people who maintained it.
From the Middle Ages, underground channels known as bottini carried water from springs beneath the surrounding hills into the city. They supplied public fountains, including Fontebranda and Fonte Gaia, and supported daily life as well as trades such as woolworking and leather tanning. The fountains were practical necessities, but they also became enduring landmarks in Siena’s civic life.
For visitors interested in engineering and urban history, the Water Museum is a quieter counterpoint to Siena’s grand art collections. Pair it with a walk to one or two historic fountains to see how this hidden infrastructure shaped the city above ground. Allow around an hour for the museum, and check current opening times and whether booking is required before visiting. Siena’s streets are steep and often paved with stone, so comfortable shoes with good grip are useful.