
Daibō Kofun is an earthen keyhole-shaped tumulus set in rural Tamana — clean lines of the mound against sky and surrounding fields make strong minimalist compositions. Visit at sunrise or sunset for warm side-light and long shadows; autumn and early spring (after rice planting) add color and foreground interest. Site is small, publicly accessible with informal parking nearby; respect rules around burial mounds and avoid walking on the mound. No entry fee.

Daibō Kofun is an earthen keyhole-shaped tumulus set in rural Tamana — clean lines of the mound against sky and surrounding fields make strong minimalist compositions. Visit at sunrise or sunset for warm side-light and long shadows; autumn and early spring (after rice planting) add color and foreground interest. Site is small, publicly accessible with informal parking nearby; respect rules around burial mounds and avoid walking on the mound. No entry fee.