Saint John’s Festival 2026: Baroque Spectacle Returns to Prague on 15 May

Prague is once again preparing for one of the most impressive Baroque festivals of the year: during the Saint John’s Festival Navalis, the Vltava River around Charles Bridge is transformed into a stage filled with music, lights and festively decorated boats. The traditional event combines history, faith and culture in the heart of the Czech capital.

The Saint John’s Festival Navalis (Svatojánské slavnosti NAVALIS) takes place on Friday, 15 May 2026 and commemorates Saint John of Nepomuk, the patron saint of Bohemia as well as the patron of all people who live and work on or near the water. The tradition dates back to the 18th century.

In modern history, the festival is being organised for the 18th time. It is traditionally celebrated on the eve of the feast day of Saint John of Nepomuk, which falls on 16 May each year.

The programme follows a traditional schedule: the celebrations begin with a solemn mass at St Vitus Cathedral at Prague Castle. This is followed by a procession across Charles Bridge to Křižovnické náměstí. The highlight of the evening is traditionally a Baroque concert on the Vltava, accompanied by numerous festively decorated boats and historic watercraft.

Foto: Svatojánské slavnosti NAVALIS

Against the historic backdrop of Charles Bridge, an extraordinary spectacle is created each year, attracting thousands of visitors from Prague and abroad.

In the Catholic tradition, John of Nepomuk is regarded as the patron saint against floods and drowning. According to legend, he was tortured on the orders of King Wenceslas IV and subsequently thrown from Charles Bridge into the Vltava River.

The background is believed to have been a conflict involving Queen Sophia of Bavaria. The king suspected her of conspiring against him and believed that John of Nepomuk, as her confessor, possessed knowledge of possible secrets or plans. However, the clergyman is said to have refused to break the seal of confession.

Shortly after his death, John of Nepomuk was already venerated as a martyr. The well-known statue on Charles Bridge was erected as early as 1683 – long before his official canonisation. He was beatified in 1721, with canonisation following eight years later.

Further information about the programme and individual events can be found on the official Navalis.cz website.



Saint John’s Festival Navalis (Svatojánské slavnosti NAVALIS)
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