🇯🇵Japan·Open to visitors

The Museum of Modern Art, Gunma (群馬県立近代美術館)

Takasaki, Gunma Prefecture

Sources checked November 2026

“A stack of cube frames 12 metres on a side, which sets every dimension of the building, down to the 15 cm floor tiles.”

Year: 1974
Architect: Arata Isozaki
Type: Modern art museum
Access: Open to the public (official website, November 2026)

Opened in 1974 in Gunma-no-mori Park, in Takasaki, this museum is a work by Arata Isozaki, then an up-and-coming architect. It rests on cubes 12 metres on a side; the aluminium-and-glass façades, the marble of the entrance hall and the floor tiles all follow one grid of squares. Isozaki won the Architectural Institute of Japan prize for it in 1975, and the building joined the DOCOMOMO Japan selection in 2024.

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In depth ≈ 2 min read

History

The museum was part of the Meiji centennial programme: Gunma Prefecture set up a preparatory council in 1967, and in 1968 an unused plot that had belonged to the former army was chosen as the candidate site for Gunma-no-mori Park.

The design was entrusted on 29 November 1971 to Arata Isozaki, then an up-and-coming architect. Construction began on 24 October 1972 and was completed on 28 March 1974. The museum was formally established on 1 July 1974 and opened on 17 October 1974, the day the park opened.

In 1975 Isozaki received the 27th Architectural Institute of Japan prize (works category) for the building. In 2024 DOCOMOMO Japan included it in its selection of 290 Modern Movement buildings in Japan.

The main building closed from 18 December 2005 to 25 April 2008 for renovation work and reopened on 26 April 2008.

Architecture

Isozaki built the museum on an accumulation of cube frames 12 metres on a side. In his concept, this group of cubes forms around the artworks a void comparable to a picture frame; the void the works pass through is conceived as changing and able to multiply.

Every element is a square whose size is set by that same measure. The aluminium panels and glass surfaces of the façades follow a grid 120 cm on a side; the marble panels of the entrance-hall walls and floor are 60 cm on a side, and the floor tiles 15 cm.

The idea of the proliferating cube was borne out by the theatre wing of 1994 and the contemporary-art extension of 1998, which provided galleries 3, 4 and 5. Besides the entrance hall and the galleries, the building houses a tea room and an auditorium.

Use today

The museum shows foreign modern art (Renoir, Monet, Picasso), modern and contemporary Japanese art, works connected with the Gunma region, and the Inoue collection, centred on ancient Japanese and Chinese art.

It also holds lectures, workshops and concerts, and houses a shop and a restaurant.

Visiting

The museum opens at 9:30 and closes at 17:00, with last admission at 16:30. It is closed on Mondays, or on the following Tuesday when the Monday is a public holiday, and at the turn of the year; during Golden Week and the Obon period it also opens on Mondays. A few extra closing days may occur between exhibitions.

A lift serves the first floor.