Atagoyama Kofun

Gyōda-shi, Japan

Freely accessible

Public space — no opening hours to check.

Strollie cannot guarantee access — always check before you travel.

Located in Gyōda, Saitama Prefecture, the Atagoyama Kofun is a zenpō-kōen-fun—a keyhole-shaped burial mound—constructed around 600 CE during Japan's kofun period. Designated a National Historic Site in 1938, it was elevated to Special National Historic Site status in 2020 as part of the Sakitama Kofun Cluster, recognizing its archaeological significance within the Kantō region's mortuary landscape.