Photo: Jack serow / CC BY-SA 3.0 · Wikimedia Commons
Onan Town
Shimane Prefecture · Town
Official websiteShimane Prefecture page
Onan Town is the largest town in Shimane Prefecture by area and was formed by merging Mizuho Town, Iwami Town, and Hasumi Village. Gorges such as Dangyokei and Senjokei lie along tributaries of the Gonokawa River, and Mizuho Highland offers skiing. The town also promotes itself through food under the slogan "A-class gourmet."
Key facts
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.
Live information
Current weather (observed)
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 town
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).
Other municipalities in Shimane Prefecture
The description was written for this site, picking out representative features.