Why you should experience GRANROOF in Tokyo, Japan.
GRANROOF is a contemporary commercial destination where Marunouchi's architectural innovation, transportation connectivity, premium retail, and urban design redefine the southern gateway to Tokyo Station.
Set along Marunouchi Central Exit near Yaesu Central Exit and just steps from Tokyo Station Marunouchi Building, this architecturally striking complex integrates shopping, dining, offices, landscaped public space, and seamless pedestrian connections beneath a dramatic steel-and-glass canopy known as the “Grand Roof.” Sweeping structural lines, illuminated plazas, elevated walkways, and direct access to one of the world's busiest railway stations create a sophisticated urban environment that blurs the boundary between transportation hub and civic destination. Every visit reflects Tokyo's extraordinary ability to combine infrastructure, architecture, and public life into a unified metropolitan experience. The result is an urban experience defined by engineering excellence, contemporary design, and one of Tokyo Station's most significant redevelopments.
What you should know about GRANROOF.
GRANROOF is best known for serving as the architectural centerpiece of JR East's Tokyo Station City redevelopment, opening in 2013 as the final major phase of a comprehensive modernization project that transformed the Yaesu side of Tokyo Station into one of Japan's most advanced transportation-oriented commercial districts. Designed by internationally acclaimed architect Helmut Jahn of Murphy/Jahn, the project is distinguished by its soaring 230-meter-long “Grand Roof,” a lightweight steel-and-glass canopy engineered to resemble the wings of a bird in flight while unifying the GranTokyo North Tower, GranTokyo South Tower, and surrounding commercial facilities into a cohesive pedestrian environment. Beneath the canopy, GRANROOF integrates 30,000 square meters of retail, restaurants, event space, and landscaped plazas with direct connections to Tokyo Station's extensive rail network, which serves well over 4,000 train departures each day across Shinkansen, regional, and metropolitan services. The redevelopment also introduced GRANROOF Front, elevated pedestrian decks, and climate-protected public spaces that significantly improved circulation between the Marunouchi and Yaesu districts while reinforcing Tokyo Station's position as the transportation heart of the nation. Together, internationally recognized architecture, structural innovation, transit-oriented planning, and destination-scale urban redevelopment establish GRANROOF as one of Japan's foremost examples of contemporary station architecture.
The Grand Roof's elegant structural expression demonstrates how transportation infrastructure can become a defining civic space rather than simply a point of transit. Carefully coordinated lighting, premium materials, landscaped plazas, and seamless pedestrian movement create an environment that accommodates millions of annual commuters while supporting cultural events, seasonal installations, and everyday public life. More than a decade after its completion, GRANROOF continues illustrating Tokyo's global leadership in integrating architecture, transportation, and urban placemaking into a single cohesive destination.
How to fold GRANROOF into your trip.
GRANROOF works as the centerpiece of an exploration through Tokyo Station's celebrated urban district.
Begin inside Tokyo Station Marunouchi Building before crossing to GRANROOF to experience its striking architecture, retail, and public plazas. Continue along Marunouchi Naka-dori Street, where elegant streetscapes, public art, and internationally acclaimed architecture define one of Japan's premier business districts. Conclude at KITTE Marunouchi, where restored heritage architecture, curated shopping, and a rooftop garden overlooking Tokyo Station provide a memorable finale celebrating the remarkable evolution of Central Tokyo. The progression moves naturally from historic railway heritage to contemporary architecture before concluding through one of Marunouchi's finest adaptive reuse projects, revealing why GRANROOF remains one of Tokyo Station's defining modern landmarks.
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