New Ideas for Hamburg: High Line, Swimming Pool, and Surf Wave - Hamburg's bold urban projects spark debate over innovation and feasibility

Hamburg is considering several bold urban projects as public opinion shifts on major infrastructure changes. Plans include a surf wave system on the Elbe, a museum expansion with a public pool, and a pedestrian walkway on an old railway viaduct. However, concerns over costs and feasibility have already emerged for some of these proposals. In 2014, 58% of Hamburg voters rejected the Elbseilbahn, a proposed cable car over the Elbe river. Critics argued it would harm the city's skyline. By 2026, attitudes had changed, with over 60% now supporting the idea due to rising mobility demands. Alternatives under discussion include expanding ferry routes, building a new low-level bridge at Cranz, and constructing light rail tunnels. These options gained traction after the 2022 campaign Elbeübergänge für alle and city council debates in 2025.

Meanwhile, entrepreneur and surfer Felix Segebrecht has proposed an artificial surf wave in the Altona fishing harbour. His design uses a ponton and filtered Elbe water, cutting energy use by 50% compared to standard systems. The project aims to create a sustainable attraction for water sports enthusiasts.

Another idea comes from Alexander Klar, director of the Hamburger Kunsthalle. He suggests expanding the museum with a public pool above the roadway at the Galerie der Gegenwart. The structure would overlook the Binnenalster, adding a new cultural and recreational space.

The Green Party has also pushed to repurpose the disused Quietschkurve railway viaduct into a pedestrian walkway, inspired by New York's High Line. Yet Hamburg's urban development authority has warned about the high costs of moving, storing, and reassembling the old bridge components. The city now faces decisions on balancing innovation with practical challenges. The surf wave, museum pool, and High Line-style walkway all offer new public amenities. But funding, energy efficiency, and structural hurdles will shape which projects move forward.