The Kamatsuka Kofun (窯塚古墳) is a kofun (ancient burial mound) located in the village of Asuka, Takaichi District, Nara Prefecture, Japan. Dating from the late Kofun period (approximately the 7th century), it is recognized for its unique square shape and well-preserved decorated stone chamber.
Description Kamatsuka Kofun is a hōfun (方墳), or square-shaped tumulus, measuring about 23 meters on each side. The mound's original height is estimated to have been around 5 meters. Its most significant feature is its horizontal stone burial chamber, which is constructed from large cut stones. The chamber consists of an entrance passage and a main burial room.
The interior walls of the stone chamber are adorned with painted murals, which are a rare and valuable example of Kofun period art. These murals include depictions of celestial bodies (like the sun and moon), human figures, mythical creatures such as the Genbu (Black Tortoise of the North), and geometric patterns. While some details have faded over time, the remaining artwork provides crucial insights into the cosmology and funerary beliefs of the period.
Significance The Kamatsuka Kofun holds significant archaeological and art historical importance. As one of the few surviving decorated kofun in Japan, its murals offer a glimpse into the artistic styles, religious beliefs, and cultural practices of the elite during the late Kofun period, a time immediately preceding the establishment of the Ritsuryō system and the Nara period. The depiction of specific celestial bodies and mythical beasts reflects influences from continental East Asian cultures, integrated with indigenous Japanese beliefs.
It is part of the extensive archaeological landscape of Asuka, which includes numerous other kofun, palace sites, and temple ruins associated with early Japanese state formation. The Kamatsuka Kofun has been designated as a Special Historic Site (特別史跡) by the Japanese government, ensuring its preservation and study. Due to the fragility of its murals, public access to the interior of the stone chamber is typically restricted.