Reinventer la Seine . Paris

NP2F . Reinventer la Seine . Paris (1)

NP2F Architectes . Jacques Rougerie

Square Mazas is an isolated space, an enclosed territory, cut off from the city and its development.



Despite being isolated by a dense network of infrastructure, the square enjoys a central position, between the Bastille and the Jardin des Plantes, where the canal of the Arsenal and the Seine meet. We imagined square Mazas becoming a destination of the Grand Paris, following the reappropriation of the river banks: an iconic and riverside project, which at the same time aims to promote a real ambition in the city, seeking hybridity by mixing housing, restaurant, community spaces, shops, public spaces and especially sports facilities all about water. This aquatic architecture offers a unique attractiveness and a strong identity, reconnecting Paris with its river. The project dialogues with the historical monuments of Paris giving rhythm to the Seine at the edge of the water. Furthermore, the project transmits to all the idea that water, source of life, is one of the great stakes of the planet.
We believe that reinforcing the specificity of Mazas is giving to this programmatic emulation a coherent, unitary, insular structure, a common architectural envelope creating built-up density and critical mass on a metropolitan scale.
Réinventer la Seine is an opportunity to assemble designers, users, developers and builders from the start of the project to describe a common, shared project: to create an urban island, a water island, a sports island, an island of practices, a riverside island, an object island.
A new Parisian island: Isle Mazas.


Housing & social housing, sports center with a diving pit, a community restaurant, a barge for sports activity

8 267 sqm

Construction cost
37 200 000 euros


NP2F Architectes urbanistes
Jacques Rougerie, associate architect for the diving pit and the sports barge
Topotek Espace public, landscape planning

UCPA – sports center
Freegan Pony – restaurant fighting against food wastage
Maison de la Seine et des Canaux – organisation to be established by Milena Charbit with the tourism office
GNC – flatshared housing
Logis-Transport RATP – social housing
Dans le Sens de Barge – cultural center focusing on waterside

Bollinger et Grohmann
Rabot Dutilleul

Environmental performances
Ai Environnement
Glowee bioluminescent plankton start-up

Milena Charbit

Prefiguration/public consultation
Ville Ouverte

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