Umaji Village

Kochi Prefecture · Village

Umaji Village, in eastern Kochi Prefecture, is surrounded by mountains of about 1,000 m, and forests cover 96% of its area. It is known across Japan for yuzu products and revitalized the village with goods such as ponzu soy sauce. It produces Yanase cedar and has a facility on the history of its forest railway and Umaji Onsen (hot spring).

Key facts

Population: 649 1,715th in Japan2025 Census
5-year change: −12.9% 185th in Japanfrom 745 in 2020
Area: 165 km² 726th in Japan
Population density: 4 people/km² 1,715th in Japan

Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.

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Places to visit

Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).

Mountains in this village

Mt. Jinkichi-mori1,423 m
Mt. Senbon1,085 m

Mountains whose summit is in this municipality (mountains of 800 m or higher on this site's map, and mountains in the famous-mountain lists). Elevations from Wikidata and other sources.

Neighboring municipalities

Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).

The description was written for this site, picking out representative features.

Figures come from official Japanese statistics (such as the 2025 Census by the Statistics Bureau of Japan), with the source and year shown next to each one. Photos are freely licensed images from Wikimedia Commons; the photographer and license are shown under each photo.

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