Mount Tenpō, Artificial hill in Chikko, Osaka, Japan
Mount Tenpō rises 4.53 meters above sea level in Osaka Bay, featuring a triangular peak and surrounding recreational landscape within Mount Tenpō Park.
The hill emerged in 1831 from earth excavated during the Ajigawa river dredging project, initially reaching 20 meters to guide ships entering Osaka Harbor.
Local residents successfully campaigned for the reinstatement of Mount Tenpō on topographic maps after its removal due to industrial developments and ground subsidence.
Visitors can obtain climbing certificates at Mount Tenpō Park while exploring nearby attractions like the Osaka Aquarium Kaiyukan and Suntory Museum.
The Geographical Institute of Japan recognizes this 4.53-meter elevation as an official mountain, making it one of the lowest registered mountains worldwide.
Location: Chikko
Inception: 1831
Elevation above the sea: 4.53 m
Part of: Osaka 50 Mountains, five lowest mountains in Osaka
GPS coordinates: 34.65807,135.43271
Latest update: May 26, 2025 19:50
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