The spring is located in the Gránice Valley, about a hundred meters behind the road heading for Hradiště, under the railway corridor. The original well lies considerably higher in the slope beyond the railway corridor. When the Prague - Vienna railway line was completed, the springs' outlet was moved under the foot of the embankment. In 1923, the site was modified and named after a well-deserved member of the Wizarding Society, Mr. Piwetz.

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