Old Town Square is the postcard heart of Prague: cobblestones, pastel baroque and gothic buildings, the famous Astronomical Clock, and the twin towers of the Church of Our Lady before Týn all in one frame. A typical walking tour lasts 2–3 hours and covers the square plus nearby streets and usually the Jewish Quarter. Expect a mix of history, legends, and practical info while standing in a crowd. The hourly clock show is more mechanical curiosity than spectacle; you'll see it whether you're on a tour or not. In peak season the square is packed with tour groups, street performers, and vendors, so the experience feels busy rather than romantic.
Best time is spring (April–June) or autumn (September–October) when crowds are manageable and weather is decent. Summer evenings are pretty but hot and crowded; winter can be magical with Christmas markets but cold and slippery. Expect to pay around $25–45 per person for a small-group walking tour; private tours run $150–280 depending on group size. Skip the big-bus city tours that only stop briefly at the square. If you're short on time or hate crowds, just visit independently with a good audio guide or map instead.
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