National Historic Site Hirasawa Government Office Site
Hirasawa's government office ruins are thought to be the remains of the ancient (Nara and Heian periods) county office of Tsukuba-gun in Hitachi Province.
It was designated as a National Historic Site in 1980.
Three high-floor warehouses (ancient log storehouse, earthen storehouse, and board storehouse) have been reconstructed to recreate the ancient space, with also an information center set up.