The Nipro Hachiko Dome (ニプロハチ公ドーム, Nipuro Hachikou Dōmu) is a large wooden stadium in Ōdate, Akita, in northern Japan.

[1] It was completed in June 1997 and is made from 25,000 Akita cypress trees which are covered with a special double Teflon-coated membrane.

[4] Nipro, a Japanese medical equipment manufacturing company, purchased the naming rights to the dome in 2017.

[4] This wooden framework is covered with a special double Teflon-coated membrane made from translucent fluorethylene resin-coated fibreglass.

The stadium is located in a region of Japan that it subjected to heavy snowfall of 2 to 3 m (6.6 to 9.8 ft).