The scaffolding catches the morning light first. Then the green-impossibly lush against the Athens sky, unfurling across what was once just another concrete rooftop. If you’ve walked past The Ilisian building in recent months, you’ve witnessed the metamorphosis. Where tourists once checked into the Hilton Athens, a new vision is emerging, one that reaches skyward with running tracks, gardens, and the promise of transformation.
It’s early November 2025, and the construction crews arrive before dawn. The sound of their work echoes through the surrounding streets-drilling, hammering, the steady rhythm of a city reinventing itself. But this isn’t just another renovation. This is Athens learning to breathe again.
The Building That Refused to Fade
The Ilisian occupies a unique place in Athens’ architectural memory. For decades, it stood as the Hilton Athens, a landmark that hosted diplomats, celebrities, and countless travelers seeking a view of the Acropolis. The building witnessed Greece’s modern history-political upheavals, economic crises, Olympic glory. It was more than a hotel. It was a witness.
Now, it’s becoming something else entirely.
“People keep asking me what we’re building up there,” says Dimitris, a construction supervisor who’s been working on the rooftop project since March. He’s fifty-two, with calloused hands and a weathered face that speaks of decades spent under the Mediterranean sun. “I tell them: we’re building hope. A place where people can run, breathe, see their city from above. Not just tourists. Everyone.”
The investment is staggering-over €340 million. But the vision is even bigger. The Ilisian is transforming into a multidimensional destination that will house the Conrad Athens hotel, Conrad and Waldorf Astoria residences, dining spaces, entertainment venues, shopping areas, and a modern members’ club called House of NYNN. At its crown: an elevated green rooftop training zone that’s already stealing the show.
720 Meters Above the City
The rooftop will feature a 720-meter running track that winds through carefully designed greenery. It’s not just a track-it’s a journey. Designed by Simon Rackham Landscape Architects, a firm based in Greece with Greek collaborators, the space represents a radical reimagining of urban wellness.
Maria Konstantinou, a landscape architect working on the project, walks me through the plans on a tablet, her fingers tracing the curved lines of the track. She’s thirty-eight, passionate, and speaks with the intensity of someone who believes in what she’s creating.
“We wanted to create something that feels organic, not imposed,” she explains, zooming in on sections of native plants and drought-resistant vegetation. “Athens is hot. Dry. We can’t just plant grass and hope it survives. Every plant here is chosen for resilience, for beauty, for its ability to thrive in this climate.”
The track will curve around a pickleball court-a sport gaining popularity in Greece-and an outdoor gym with a training tower. Below, inside the building, House of NYNN will offer functional training zones, Pilates, gyrotonics, yoga and meditation studios, an indoor pool, heat and cold therapy, bodywork and skincare treatments, and the Vim Bar for nutrition and energy.
“It’s a complete ecosystem,” Maria says. “You can start your day with yoga at sunrise, run the track, have a healthy breakfast at Vim Bar, and still be in the city center. That’s the dream.”
The Woman Who Runs at Dawn
Elena Papadopoulou is already planning her mornings. She’s a forty-three-year-old architect who lives three blocks from The Ilisian. For years, she’s run through Athens’ streets, dodging traffic, breathing exhaust fumes, searching for green spaces that barely exist in this dense urban landscape.
“I run at 6 AM because it’s the only time the city is quiet,” she tells me over coffee at a nearby café. “But even then, it’s concrete, cars, noise. The idea of running on a track, surrounded by plants, with a view of the Acropolis? It feels like a fantasy.”
Elena represents a growing demographic in Athens-professionals who crave wellness options but refuse to leave the city center. The pandemic changed something fundamental in how people think about urban living. Suddenly, rooftop gardens, outdoor gyms, and accessible green spaces aren’t luxuries. They’re necessities.
“I’ve been watching the construction obsessively,” she admits with a laugh. “My friends joke that I know more about The Ilisian than the people building it. But this matters. Athens is suffocating. We need spaces like this.”
The Vision Behind the Green
The architectural vision for The Ilisian comes from AETER Architects, a Greek firm tasked with honoring the building’s history while propelling it into the future. It’s a delicate balance-preserving the iconic façades created by renowned Greek artist Yiannis Moralis while introducing contemporary design elements.
The project is pursuing LEED Gold certification, implementing internationally recognized sustainable development practices. Rainwater collection systems, energy-efficient cooling, native plantings-every detail considered through the lens of environmental responsibility.
“We’re not just building for today,” says Kostas Nikolaou, one of the lead architects. He’s fifty-six, with silver hair and glasses perpetually perched on his forehead. “We’re building for the Athens of 2050, 2075. Climate change is real. Heat islands are real. We need buildings that respond to these challenges.”
The rooftop’s completion is scheduled for mid-2026, but already, the impact is visible. From street level, you can see the green emerging, a defiant splash of life against the urban gray.
More Than a Hotel
The Conrad Athens, making its first appearance in Greece, will feature 307 rooms and suites with unique views, including a 400-square-meter mega suite. Eighteen private Conrad Residences and thirty-seven Waldorf Astoria Residences will occupy the building’s highest floors, offering permanent residents a lifestyle that blends luxury with urban convenience.
But it’s the democratization of space that intrigues urban planners. The rooftop won’t be exclusively for hotel guests or residents. House of NYNN operates as a members’ club, but membership is designed to be accessible to locals, not just international elites.
“Athens has struggled with exclusivity,” notes Dr. Sophia Alexiou, an urban sociologist at the University of Athens. “We have beautiful spaces that only tourists or wealthy residents can access. If The Ilisian can create something that feels inclusive, that welcomes Athenians of different backgrounds, it could be transformative.”
The Clinic That Heals the City
Among the most anticipated spaces is a clinic offering anti-aging and holistic wellness treatments. Specialists in aesthetics, wellness, and therapeutic practices will provide personalized services-a recognition that wellness extends beyond fitness into comprehensive self-care.
Irini Samaras, a holistic wellness practitioner who will work at the clinic, speaks about this integrated approach with evident passion. She’s forty-one, trained in both Western medicine and Eastern healing traditions.
“For too long, we’ve separated physical health from mental health, from spiritual wellness,” she says. “Here, we’re bringing it all together. You can work out on the rooftop, receive a therapeutic massage, consult with a nutritionist, meditate in the yoga studio. It’s all connected.”
The Track That Unites
Back on the rooftop, Dimitris takes a break from supervising the installation of the running track’s surface. He pulls out a worn photograph from his wallet-his daughter, twenty-six, running a marathon in Berlin.
“She moved to Germany for work,” he says quietly. “Better opportunities. But she misses Athens. When I told her about this track, she cried. She said maybe she could come back. Maybe Athens is finally becoming a city where young people can stay.”
It’s a small moment, but it contains multitudes. The Ilisian’s rooftop isn’t just about fitness or luxury. It’s about possibility. About a city that’s been hemorrhaging young talent for years finally offering reasons to return.
The 720-meter track will wind through sections of native grasses, aromatic herbs, and flowering plants that bloom in different seasons. Benches will offer rest points with panoramic views-the Acropolis to one side, Lycabettus Hill to another, the sprawling city below.
November Light
As November 2025 draws to a close, the rooftop remains a work in progress. Soil is being laid, irrigation systems tested, the track’s final surface prepared. Workers move with practiced efficiency, aware they’re building something significant.
From the street, passersby stop to watch. Some take photos. Others just stare, trying to imagine what it will feel like to run up there, to exercise among the clouds, to see Athens from that elevated perspective.
Elena, the architect who runs at dawn, has already planned her first visit. “The day it opens, I’ll be there,” she says. “I’ll run those 720 meters and I’ll probably cry. Because it means Athens is changing. It means we’re not giving up on this city.”
The Ilisian’s green rooftop represents more than architectural ambition. It’s a statement about urban futures, about sustainability, about the kind of city Athens wants to become. In a metropolis struggling with heat, pollution, and urban density, this elevated garden offers something precious: hope, rendered in running tracks and native plants.
By mid-2026, when the rooftop opens its gates, Athens will have gained more than a wellness facility. It will have gained a symbol-proof that even in the densest urban environments, even in cities ancient and set in their ways, transformation is possible.
The green is growing. Athens is watching. And somewhere above the traffic and noise, a new story is being written, 720 meters at a time.
Source: https://www.bovary.gr/design/spaces/ilisian-prasino-rooftop-allazei-prosopo-athinas
