Inō Tadataka Memorial Museum 伊能忠敬記念館

The maps Inō Tadataka drew by surveying Japan on foot are a National Treasure.

Inō Tadataka (1745–1818), a Sawara merchant who became a cartographer, surveyed the coasts of Japan on foot between 1800 and 1816, producing the first map of the country on a geodetic basis. The materials from his survey (伊能忠敬関係資料) are designated a National Treasure.

Chiba

Sawara

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