3Land: a cross-border district is created in the ‘Dreiländereck’

“Three cities - one future” - according to this motto, the neighboring cities of Basel, Weil am Rhein, Huningue and Saint-Louis have been working on the common goal of developing a cross-border urban district in the 3Land project since 2011.

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The neighboring cities of Basel, Weil am Rhein and Huningue have recognized the opportunity that synergies arise with joint planning. They are seizing the unique opportunity to develop the cross-border area around the 'Dreiländereck' in a coordinated manner.

The potential for urban, traffic and open space development on the former industrial sites between the Dreirosen and Palmrain bridges is great and, as a trinational task, unique in Europe.

News

View of the border triangle, Basel's Rhine harbour and Huningue ©Julien Kauffmann / Trinational Eurodistrict Basel

Start of the Next Planning Phase for a New Rhine Bridge between Huningue and Basel

A new Rhine bridge between Huningue and Basel is a key element for cross-border mobility in the 3Land area. Starting in 2026, its technical, legal, and financial feasibility will be examined in depth to enable informed decisions on subsequent planning steps.

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Visualization of the development of the Klybeckquai ©Department of Construction and Transportation of the Canton of Basel-Stadt

More green, more Rhine, more space to live

In the summer of 2025, the Executive Council of the Canton of Basel-Stadt presented a new planning framework for the redevelopment of the Klybeckquai and Westquai sites.

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Poster for the 25th Architecture Days 2025

Crossing borders, discovering the future

Join us for a guided bike tour on October 3rd to explore places of transformation in the 3Land area – from former port sites to new residential districts. Experts in architecture and urban planning will provide insights into the future of living at the tri-border region.

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