Horta Labyrinth revival efforts have officially commenced with the planting of the first cypress trees in Barcelona’s historic park.

The iconic green maze, closed for restoration since April, is undergoing a comprehensive transformation that will see 2,211 new trees planted by January.

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This marks the beginning of a painstaking process to restore one of the city’s most beloved heritage sites to its original 18th-century glory.

Historic Horta Labyrinth Revival Enters Critical Phase

Gardeners are working at a remarkable pace, planting up to 500 cypresses every two days. Consequently, visitors to the park now encounter an unfamiliar landscape of freshly turned earth and thousands of young trees where the famous green walls once stood. The restoration represents the first major intervention on the labyrinth itself in fifty years, following a complete park renovation in 1994.

Jana Miró, the strategic projects technician for Parcs i Jardins leading the restoration, emphasises the project’s complexity. “This is a living monument that perfectly combines architecture and vegetation,” she explained during an exclusive visit documented by El Periódico. “Nature is in charge here, making it very different from restoring a building.”

The timing of the planting is crucial. Workers waited for colder weather to arrive before beginning the delicate operation, which will continue through January. Meanwhile, the rest of the Horta park remains open to the public, allowing visitors to witness this historic transformation firsthand.

Preserving Barcelona’s Green Heritage

Built in 1791, the Horta Labyrinth represents Barcelona’s oldest preserved historical garden. Furthermore, it remains the city’s only surviving vegetative maze and one of the few with such high heritage value in the entire country. The current Horta Labyrinth revival project follows extensive archaeological prospecting that revealed the original 18th-century layout, including its historic irrigation system.

Restoration teams have already completed significant groundwork. They have renewed pathways to improve water permeability and installed a sustainable drip irrigation system. These improvements aim to facilitate maintenance and ensure the labyrinth’s longevity for future generations. The meticulous approach reflects Barcelona’s broader commitment to preserving its unique urban green spaces, similar to efforts seen in projects like the transformation of historic buildings into community facilities.

Once planted, the cypresses will be trimmed to 1.8 metres in height with room to grow to two metres. This specific height maintains the labyrinth’s playful essence—preventing visitors from peeking over the walls and preserving the challenge of navigation. All maintenance must be done manually, as the narrow paths cannot accommodate vehicles.

The Waiting Game Begins

The physical planting will conclude in March, but the true Horta Labyrinth revival requires patience. The 1.5 kilometres of pathways will remain off-limits while the young trees establish themselves. Miró estimates this crucial growing period will take “at least a year,” depending on how well the cypresses adapt to their new environment.

This restoration addresses inevitable wear from the site’s 250,000 annual visitors and changing weather patterns. The project ultimately seeks to recover the labyrinth’s original routing, correcting slight alterations that had occurred over decades. Therefore, when the green walls finally regrow, they will more closely resemble their 18th-century configuration than they have in living memory.

The Horta Labyrinth revival represents a significant investment in Barcelona’s cultural and botanical heritage. As the city continues to balance preservation with public access, this project demonstrates how historical spaces can be maintained for continued enjoyment. The careful restoration work ensures that future visitors will experience the same sense of discovery that has defined this unique Barcelona landmark for over two centuries.

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