Attraction in Wrocław
Hydropolis
An interactive science centre devoted entirely to water, set inside a restored 19th-century underground water reservoir. Highlights include a full-scale replica of a deep-sea bathyscaphe.
Reviewed and updated July 2026
Hydropolis is a science centre in Wroclaw given over entirely to water. It sits inside a restored neo-Gothic underground reservoir built in the 1890s, which held the city's drinking water for more than a century. The centre opened in December 2015. For the wider city, see the Wroclaw guide.
Why visit Hydropolis
It is one of the better rainy-day options in the city, and it works for families as well as adults. The exhibits are hands-on and lean on models, screens and full-scale reconstructions rather than long text panels. The setting adds to it: you are walking through the brick chambers of an old water reservoir.
Hydropolis highlights
The centrepiece is a full-scale replica of the Trieste bathyscaphe, the deep-sea vessel that reached the bottom of the Challenger Deep in 1960. Other zones cover oceans and deep-sea life, the states and cycle of water, the human body, and the history of water engineering, including how cities like this one were plumbed. A children's area keeps younger visitors busy.
How long to allow
Plan for about ninety minutes to two hours. Families who read and play through everything can spend longer.
Best time to go
Weekday mornings are quietest. Weekends and school holidays are busiest, and entry is often timed, so booking ahead is sensible at peak times. It is an all-weather visit, which makes it a good fallback on a wet day.
Getting to Hydropolis
Hydropolis is at Na Grobli, on the river a little south-east of the Old Town. It is walkable from the centre in around twenty minutes, and trams and buses stop nearby.
Accessibility inside
The centre is set out for step-free access with lifts between levels. Check the official site for current accessibility details before you visit.
Nearby attractions
The riverside walk back toward the centre leads to the Old Town sights, including the Market Square. The Panorama Raclawicka is on the same side of the centre and pairs well with a Hydropolis visit.
Good to know
Tickets are often timed and can sell out at busy periods, so book online before you go. Check the official Hydropolis site for current opening hours and prices.
Common questions about Hydropolis
Is Hydropolis good for children?
Yes. Much of the exhibition is interactive, and there is a dedicated children's zone, so it suits families as well as adults with an interest in science.
What is the bathyscaphe?
It is a full-scale replica of the Trieste, the deep-diving craft that reached the deepest point of the ocean in 1960. You can look inside it.
Frequently asked questions
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