{"id":149299,"date":"2026-02-16T08:20:00","date_gmt":"2026-02-16T07:20:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=149299"},"modified":"2026-02-13T08:27:24","modified_gmt":"2026-02-13T07:27:24","slug":"rueckkehr-der-wilden-wasser-am-schaenzli","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/rueckkehr-der-wilden-wasser-am-schaenzli\/","title":{"rendered":"Le retour des eaux sauvages au Sch\u00e4nzli"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">Le site du Sch\u00e4nzli marque le d\u00e9but d&rsquo;une nouvelle \u00e8re dans l&rsquo;am\u00e9nagement paysager de la Birse. Le projet laur\u00e9at \u00ab Aqua fera \u00bb de Berchtold.Lenzin Landschaftsarchitekten, Versaplan et Holinger lib\u00e8re la rivi\u00e8re de sa forme rigide et lui redonne sa libert\u00e9 de mouvement. Des zones d&rsquo;eau peu profonde, des chenaux \u00e0 faible d\u00e9bit et des berges naturelles cr\u00e9ent des habitats pour les poissons, les oiseaux et les amphibiens, renforcent la protection des eaux souterraines et permettent de red\u00e9couvrir le paysage alluvial.<br><br>Le guidage des visiteurs par des passerelles en bois, des tas de branches et des chemins balis\u00e9s prot\u00e8ge les zones sensibles, tandis que la buvette et les petits espaces \u00e9v\u00e9nementiels situ\u00e9s \u00e0 l&rsquo;entr\u00e9e nord offrent un lieu de rencontre. Vers le sud, le site devient plus calme, se fond dans la r\u00e9serve naturelle de Vogelh\u00f6lzli et ouvre de nouvelles perspectives sur une Birse revitalis\u00e9e. Des murs antibruit le long de l&rsquo;autoroute prot\u00e8gent les zones et forment en m\u00eame temps une nouvelle connexion avec le quartier de K\u00e4ppeli.<br><br><strong>Ville au bord du fleuve<\/strong><br>Le nouveau quartier Am Sch\u00e4nzli jouxte directement la zone naturelle. Trois immeubles de grande hauteur comprenant environ 400 appartements, des bureaux, des restaurants et des espaces de loisirs forment, avec de vastes espaces ouverts et des zones commerciales, un fragment urbain vivant \u00e0 l&rsquo;entr\u00e9e de B\u00e2le. Le complexe immobilier r\u00e9pond \u00e0 la norme SNBS Gold et mise sur le photovolta\u00efque, la r\u00e9cup\u00e9ration de chaleur, les toits v\u00e9g\u00e9talis\u00e9s et une construction compacte avec des zones de biodiversit\u00e9 entre les b\u00e2timents.<br><br>La strat\u00e9gie de mobilit\u00e9 donne la priorit\u00e9 \u00e0 la mobilit\u00e9 douce. Des liaisons cyclables, pi\u00e9tonnes et tramway relient le quartier \u00e0 B\u00e2le-Ville, \u00e0 l&rsquo;espace de loisirs Birspark et aux zones Hagnau. Le principe \u00ab de l&rsquo;espace libre gr\u00e2ce \u00e0 la densit\u00e9 \u00bb montre ici toute sa force : une meilleure qualit\u00e9 de vie gr\u00e2ce \u00e0 une construction dense et intelligemment organis\u00e9e.<br><br><strong>Coop\u00e9ration et mise en \u0153uvre<\/strong><br>Le d\u00e9veloppement du site est financ\u00e9 par les taxes sur la plus-value des propri\u00e9taires fonciers de Hagnau et par une coop\u00e9ration public-priv\u00e9 avec la commune de Muttenz. Le processus de planification du quartier, adopt\u00e9 apr\u00e8s une participation intensive de la population, constitue la base d&rsquo;un d\u00e9veloppement global coordonn\u00e9 de Hagnau Est, Hagnau Ouest et du site Sch\u00e4nzli.<br><br>La construction des immeubles de grande hauteur a d\u00e9but\u00e9 au printemps 2025 et se poursuivra par \u00e9tapes jusqu&rsquo;en 2029. Alors que le quartier Am Sch\u00e4nzli s&rsquo;agrandit, la zone fluviale sud reste non b\u00e2tie et devient l&rsquo;\u00e9pine dorsale d&rsquo;un r\u00e9seau vert continu entre la ville et la campagne.<br><br><strong>Un mod\u00e8le d&rsquo;avenir pour la ville et la nature<\/strong><br>Le projet Sch\u00e4nzli est embl\u00e9matique de la nouvelle g\u00e9n\u00e9ration de d\u00e9veloppement urbain suisse : \u00e9cologiquement r\u00e9g\u00e9n\u00e9ratif, architecturalement pr\u00e9cis, socialement int\u00e9gr\u00e9. Il prouve que la densit\u00e9 d&rsquo;utilisation \u00e9conomique et la diversit\u00e9 \u00e9cologique ne s&rsquo;excluent pas mutuellement, mais peuvent se renforcer l&rsquo;une l&rsquo;autre.<br><br>Avec \u00ab Aqua fera \u00bb, la Birse n&rsquo;est pas seulement renaturalis\u00e9e, elle est r\u00e9int\u00e9gr\u00e9e dans la vie urbaine quotidienne. Muttenz montre ainsi comment une planification pr\u00e9voyante permet de concilier espace libre, r\u00e9silience climatique et qualit\u00e9 de vie urbaine. Le Sch\u00e4nzli devient une transition vivante entre la ville et la nature et un symbole puissant du retour des eaux sauvages.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Avec le site Sch\u00e4nzli, Muttenz lance un projet phare en mati\u00e8re de d\u00e9veloppement urbain \u00e9cologique et d&rsquo;espace naturel durable. Le projet laur\u00e9at \u00ab Aqua fera \u00bb redonne vie \u00e0 la Birse et cr\u00e9e un quartier innovant aux portes de B\u00e2le.<\/p>\n","protected":false},"author":57,"featured_media":149300,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,55991,56003],"tags":[1242,57180,872,3931,2002,41099],"class_list":["post-149299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-quartiers-zones","category-residentiel","tag-arealentwicklung-fr","tag-flussrevitalisierung","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-verdichtung-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"Avec le site Sch\u00e4nzli, Muttenz lance un projet phare en mati\u00e8re de d\u00e9veloppement urbain \u00e9cologique et d'espace naturel durable. Le projet laur\u00e9at \u00ab Aqua fera \u00bb redonne vie \u00e0 la Birse et cr\u00e9e un quartier innovant aux portes de B\u00e2le.\r\n","autor":"Karin Ibach","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Avec le site Sch\u00e4nzli, Muttenz lance un projet phare en mati\u00e8re de d\u00e9veloppement urbain \u00e9cologique et d&#039;espace naturel durable. Le projet laur\u00e9at \u00ab Aqua fera \u00bb redonne vie \u00e0 la Birse et cr\u00e9e un quartier innovant aux portes de B\u00e2le.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immoinv_redakteur\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/rueckkehr-der-wilden-wasser-am-schaenzli\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Le retour des eaux sauvages au Sch\u00e4nzli - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"Avec le site Sch\u00e4nzli, Muttenz lance un projet phare en mati\u00e8re de d\u00e9veloppement urbain \u00e9cologique et d&#039;espace naturel durable. 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