Uemachi Plateau, Diluvial upland in central Osaka, Japan
The Uemachi Plateau is a natural elevation in central Osaka that runs from Osaka Castle through the Tenmabashi district to Tennoji. The western side drops steeply with several walking paths including Shingonzaka, Jizozaka, and Genshojizaka, while the eastern side features gentler slopes.
Geological studies show that the plateau began forming as a sandbank in the 5th century, separating the Inland Sea from Kawachi Bay. A 7th-century palace once occupied the highest point where Osaka Castle's main tower now stands.
The neighborhoods of Higashinari and Nishinari take their names from their position relative to this elevated area, with names meaning East Becoming and West Becoming. These place names shape how people think about directions in the city today.
The western slope offers numerous footpaths with varying steepness, while the eastern side is more accessible with gentler routes. Visitors should prepare for different levels of physical exertion depending on which direction they approach the plateau.
The highest point reaches about 38 meters above sea level at the base of Osaka Castle's main tower. This location once held the Naniwa Palace from the 7th century, marking an early center of Japanese rule.
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