Tewit Well is the oldest surviving mineral spring in Harrogate, and the one that started it all. The chalybeate (iron-bearing) spring was identified in 1571 by William Slingsby, who noticed its similarity to Belgian spa waters he had visited, and within decades the site was drawing visitors from across England. The well is now covered by a classical stone canopy erected in 1807, and sits on the open grassland of the Stray.
The spring no longer flows freely, but the setting — a small stone structure in the middle of open common land — gives a good sense of how the spa culture began, before the hotels and pump rooms arrived. A short walk from the town centre.