Where is the pool located?

The pool is located in the municipality of Uccle in Brussels, Belgium.

What type of water is in the pool?

The pool is filled with non-chlorinated fresh water.

Is the facility indoors?

The complex is entirely indoors.

Does the pool hold the world record for depth?

The pool previously held the world record as the deepest indoor pool, but a facility in Italy later surpassed it.

What timezone applies to the facility?

The facility is located in the Europe/Brussels timezone.

Schaerbeek · Belgium

Nemo 33: what's nearby, how to get there and when to go · 2026

Divers base their extended training in Uccle around warm freshwater sessions without chlorine, trading open-sea currents for deep indoor tank practice.

About the place

Within two hours

Atomium≈ 30 min King Baudouin Stadium≈ 30 min Musical Instruments Museum≈ 30 min Brussels Town Hall≈ 30 min Espace Léopold≈ 30 min Berlaymont building≈ 30 min

About the place

Divers train at Nemo in non-chlorinated fresh water under indoor conditions.

The facility sits in the municipality of Uccle within the Brussels capital area. Swimmers and scuba divers encounter fresh water treated entirely without chlorine, creating calm indoor conditions for breathing practice and buoyancy work. Long-term trainees avoid the eye irritation and chemical fumes typical of standard public tanks.

Read on

Guinness recognized the site as the deepest indoor swimming pool on earth before an Italian facility claimed the title. That newer competitor, The Deep Joy at Hotel Terme Millepini in Montegrotto Terme, took the global record. Nemo continues serving technical divers who need deep submergence without maritime weather delays.

Associations

Freshwater tankWater treatment runs without chlorine to protect skin and eyes during long dives.
Former world recordThe pool held the global title for indoor depth until an Italian site surpassed it.
Record lossThe Italian basin at Montegrotto Terme took away the title of deepest indoor pool.
Uccle locationThe site operates in southern Brussels rather than the central commercial quarters.

Facts

The facility operates an indoor freshwater pool without chlorine treatment.
The complex is situated within the municipality of Uccle in Brussels.
Guinness previously recognized the basin as the deepest indoor swimming pool on earth.
The Deep Joy at Hotel Terme Millepini in Italy surpassed the pool in maximum depth.
The facility falls within the Brussels time zone.

Updated September 20, 2026Source: Wikipedia · TravelHub

Nemo 33: what's nearby, how to get there and when to go · 2026

Divers train at Nemo in non-chlorinated fresh water under indoor conditions.

Getting there and staying

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