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Project

TOTTEI Green Hill

- Kobe, Japan

TOTTEI Green Hill in Kobe reimagines the urban port landscape as a vibrant, green public space, merging the sea and mountains through innovative topography.

Modern building with sloped roof and glass walls, outdoor staircase, and bridge in the background.

A modern architectural structure with a sloped roof and glass walls, featuring an outdoor staircase leading to an elevated walkway. The setting includes a pathway, greenery, and a view of a bridge in the background.

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Story

TOTTEI Green Hill

Reimagining Kobe's Urban Port Landscape Located at the intersection of Kobe's urban fabric and its natural landscape, TOTTEI Green Hill transforms the Second Pier into a dynamic public space. The project envisions a seamless connection between the mountains and the sea, utilizing the terrain to create an amphitheater-like experience reminiscent of ancient Greek theaters. The design features a large plaza, its edge playfully lifted to form a hill-like topography, providing a bowl-shaped seating area that integrates with the surrounding landscape. The interior of the hill serves as a vibrant hub, extending the plaza's usability throughout the year, regardless of weather conditions. Visitors are invited to engage with the grand landscape, experiencing a spatial continuity from the Seto Inland Sea to the Rokko mountain range.

Design Highlights

Transformation of a former container port into a public space Amphitheater-like seating inspired by ancient Greek theaters Three-dimensional topography mimicking a green picnic sheet Year-round usability with weather-independent interior spaces

Key Facts

Key Aspect Detail
Location Kobe, Japan
Architect Tomohiro Hata Architect and Associates
Year 2026
Status Built
Programs Public Plaza, Amphitheater

Technical summary

Updated 3/7/2026

Finishes

  • Roof: Sloped green roof with integrated plants.
  • Facade: Glass facade with metal railings.

Materials

  • Glass — Used extensively in facades and windows.
  • Metal — Used in railings, columns, and seating.
  • Wood — Accents in interior spaces.

Construction / Systems

  • Structural System: The structure includes metal columns and a sloped roof supported by pillars.

Products

  • Not specified

Palette / Lighting

  • Colors: green, metallic, transparent
  • Lighting: Natural lighting through large glass windows.

Images

Modern building with sloped roof and glass walls, outdoor staircase, and bridge in the background.
Modern building with green roof, glass facade, and outdoor staircase.
Aerial view of a waterfront building with a green roof and open plaza by the water.
Aerial view of a waterfront area with a large modern building, a docked ferry, and surrounding urban landscape.
Modern waterfront structure with tiered seating and greenery next to GLION ARENA KOBE, with cityscape and mountains in the background.
Tiered green roof structure near water with people and a red bridge in the background.
Tiered metal seating by the waterfront with people and city skyline in the background.
Waterfront plaza with grassy area and metal grid structure overlooking the sea.
Tiered metal seating with greenery and glass facade, curved pathway, and cityscape in the background.
Modern building with sloped roof and elevated walkway, people walking, waterfront view.
Modern building with triangular roof and large windows near waterfront.
Interior of a building with large windows overlooking a harbor and a red bridge.
Interior of a modern building with large glass windows, metal columns, and wooden accents, featuring two people on an elevated platform.
Interior of a modern building with large windows, angled ceiling, and greenery visible outside.
Interior view of a modern building with sloped glass roof, metal beams, and greenery, overlooking a grassy field and cityscape.
Interior of a building with large windows showing a waterfront and a bridge.
Map of Kobe showing Mount Rokko, Shin-Kobe Station, Sannomiya Station, Flower Road, and the project site near Seto Inland Sea.
Section drawing showing a building with a sloped roof and layered design, adjacent to a body of water.
Floor plan of TOTTEI Green Hill in Kobe with labeled sections such as entrances, hall, pilotis, tenant rooms, warehouse, kitchen, seating area, and terrace.
Second floor architectural plan with labeled sections for various functional areas.
Section drawing showing a sloped green structure with seating and interior spaces, supported by pillars.

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