
Old Wastewater Treatment Plant
Explore Brno's colossal underground reservoirs, a former wastewater plant transformed with light shows and history.
Highlights
Must-see attractions
Social
From TikTok & Reddit
Best Time
Fewer crowds, better experience

Old Wastewater Treatment Plant
Best Time
Fewer crowds, better experience
Highlights
Must-see attractions
Explore Brno's colossal underground reservoirs, a former wastewater plant transformed with light shows and history.
"Incredible historic site to explore - you won't find anything like this."

🎟️ Book Tickets Online
Secure your spot and avoid queues by booking tickets in advance, especially for popular tour times.
🎧 Audio Guide Quality
The English audio guide is of good quality and enhances the understanding of the site's history.
Highlights
Discover the most iconic attractions and experiences
The Enormous Water Tanks
Underground reservoirs
Explore colossal underground reservoirs with a mystical atmosphere and impressive architecture. Play with echoes and acoustics!
Light and Sound Show
Third section of the tanks
Experience an amazing laser and light show that transforms the historic space into a dynamic visual spectacle.
Guided Tour Experience
Various sections
Enhance your visit with a guided tour. Guides are passionate and knowledgeable, making the history and engineering come alive.
Plans like a pro.
Thinks like you
Planning Your Visit
Book Your Tickets in Advance
Embrace the Underground Atmosphere
Best Times
Insider Tips
from TikTok, Instagram & Reddit
🎟️ Book Tickets Online
Secure your spot and avoid queues by booking tickets in advance, especially for popular tour times.
🎧 Audio Guide Quality
The English audio guide is of good quality and enhances the understanding of the site's history.
🚶♀️ Explore All Sections
Visit all three sections for a complete experience, including the laser show in the third.
🧥 Dress for Cool Temps
It's cool and damp underground, so bring a light jacket or sweater for comfort.
Tips
from all over the internet
🎟️ Book Tickets Online
Secure your spot and avoid queues by booking tickets in advance, especially for popular tour times.
🎧 Audio Guide Quality
The English audio guide is of good quality and enhances the understanding of the site's history.
🚶♀️ Explore All Sections
Visit all three sections for a complete experience, including the laser show in the third.
🧥 Dress for Cool Temps
It's cool and damp underground, so bring a light jacket or sweater for comfort.
🔊 Test the Echoes
Don't miss the chance to play with the unique acoustics and echoes within the chambers.
What Travellers Say
Reviews Summary
Visitors rave about the Water Tanks Brno, calling it an incredible and unique historic site with a mystical atmosphere. The enormous tanks, engaging light shows, and knowledgeable guides contribute to a highly recommended experience. Some note the cool, damp environment and suggest booking tickets in advance.
"A great place to visit. The tanks are enormous and very interesting. The guide really liked his job, great tour. Audio guide in English - good quality. The light and sound show - amazing."
Natalia Malanowska
"Water Tanks Brno is very close to the center. It's a short walk after the bus or tram. The woman at the ticket office was very helpful. The attractions are divided into three sections. We visited the second section first, then the first section. The third section features a laser show every hour. Inside, there's a separate laser show every quarter past the hour. It lasts three to five minutes. The ticket costs 350 CZK per person. It's worth a visit and I highly recommend it."
Artur Serhu
"Incredible historic site to explore - you won't find anything like this. Underground reservoirs have a mystical atmosphere, interesting architecture, and it's also fun to play with the echo and acoustics of the space. I liked that the chambers are equipped with digital art objects and laser shows, which greatly enriches the experience of staying here. Totally worth it."
Ярина Короткевич
What People Like
What People Dislike
Frequently Asked Questions
🚇 🗺️ Getting There
The Old Wastewater Treatment Plant, now known as Water Tanks Brno, is conveniently located close to the city center. You can reach it via a short walk after taking a bus or tram. Many visitors find it easily accessible from public transport stops.
Information on dedicated parking is limited, but given its central location, public transport is highly recommended. Consider using trams or buses to reach the vicinity.
Trams and buses are the most convenient options. Check local transport schedules for routes serving the area near the Water Tanks Brno.
The walk from the nearest public transport stops is generally short, making it an easy addition to your Brno exploration.
While cycling is popular in Brno, specific bike parking information for the site isn't widely advertised. Public transport remains a reliable choice.
🎫 🎫 Tickets & Entry
The ticket price is approximately 350 CZK per person. It's considered well worth the cost for the unique experience offered.
Booking tickets in advance is recommended, especially during peak tourist seasons, to ensure availability and avoid potential queues.
Opening hours can vary, but the site is generally accessible during daylight hours. It's best to check the official website for the most current information.
Yes, the attractions are divided into sections, and guided tours are available which significantly enhance the experience.
Specific discount information is not widely published. It's advisable to inquire directly with the ticket office or check their official website for any available concessions.
🎫 🧭 Onsite Experience
You can explore enormous underground reservoirs, experience unique acoustics, and enjoy impressive digital art and laser shows. The site offers a fascinating glimpse into industrial history.
A visit can take about an hour or so, depending on whether you opt for a guided tour and how much time you spend exploring each section.
Yes, children can find the vastness of the tanks and the light shows engaging. The unique environment offers a different kind of exploration.
It's consistently cool and damp inside the underground reservoirs, offering a refreshing escape during warmer months.
Photography is generally allowed, but it's always good to check for any specific restrictions on the day of your visit. The unique lighting can make for dramatic shots.
📸 📸 Photography
The vastness of the underground reservoirs, the interesting architecture, and the dynamic light and sound shows offer numerous photographic opportunities.
While not explicitly stated, it's generally advisable to use natural light or a low-flash setting to avoid disturbing the atmosphere and other visitors. Check on-site signage.
Experiment with longer exposure times to capture the movement of light and color during the laser shows. A tripod can be very helpful.
Drone photography is highly unlikely to be permitted within the underground structures due to safety and operational reasons.
While echoes are auditory, you can visually represent them through wide-angle shots emphasizing the scale and emptiness of the chambers, or by capturing the light playing on the surfaces.
For Different Travelers
Tailored advice for your travel style
👨👩👧 Families with Kids
🏛️ History Buffs & Urban Explorers
📸 Photography Enthusiasts
Deep Dives
In-depth insights and expert knowledge
The History and Engineering of the Water Tanks
Visitors can learn about the plant's operational history through informative displays and guided tours. The engineering prowess required to build such subterranean facilities is evident in every chamber. The site's transformation into a tourist attraction highlights a successful adaptive reuse of industrial infrastructure, preserving its historical significance while offering a unique visitor experience.
The site's acoustics are a notable feature, a direct result of its cavernous design. The echoes within the tanks are not just a curiosity but a demonstration of the physics of sound in large, enclosed spaces. This aspect, combined with modern digital art and laser shows, creates a multi-sensory experience that bridges the past and the present.
Experiencing the Light and Sound Shows
The laser shows, occurring at regular intervals, use beams of light to dance across the water and walls, creating dynamic patterns and illusions. The accompanying soundscapes further enhance the immersive experience, making visitors feel as though they are part of a living, breathing artwork. It's a stark contrast to the original utilitarian purpose of the plant, offering a surprising and memorable spectacle.
These shows are a key reason many visitors recommend the attraction, adding a layer of entertainment and wonder to the historical exploration. The short duration of each show (3-5 minutes) makes them a perfect, impactful addition to the overall visit, providing a modern twist on a historic site.




Social
from TikTok, Instagram & Reddit