Arata Isozaki's Concrete Pavilion in Gunma's Forest

At a Glance

Hara Museum ARC in Shibukawa, Gunma, opened October 1988 as a sister to the Hara Museum of Contemporary Art in Tokyo. Designed by Arata Isozaki, it sits in a green ranch near Ikaho hot springs.

From Tokyo to the Mountains

Founded by collector Toshio Hara. After the Shinagawa parent closed in 2020, ARC became the foundation's only permanent museum. Isozaki combined pyramid, cylinder and box volumes.

Highlights

• Kusama's 1966 Peep Show — Endless Love Show.
• Rotating Hara Foundation collection selections.
• Junichi Tobu outdoor sound sculpture.
• Green ranch walks with sheep and cheese.
• Architecture by Isozaki himself.

Visiting Tips

Joetsu Shinkansen to Takasaki, then bus. ¥1,500. 2 hours. Closed Tue–Wed. Pair with Ikaho onsen.