Mount Yudono
{{Short description|Stratovolcano on the island of Honshu, Japan}}
{{Infobox mountain
| name = Mount Yudono
| other_name = 湯殿山
| photo = Mt. Yudono shrine torii gate 2006-10-28.jpg
| photo_caption = A torii gate on Mount Yudono
| elevation_m = 1500
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| listing = Three Mountains of Dewa
| location = Yamagata, Tōhoku, Japan
| map = Japan Yamagata Prefecture
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| map_size = 280
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| language = Japanese
| coordinates = {{coord|38.530833|139.984722|type:mountain_region:JP_scale:100000|display=inline,title}}
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| easiest_route = Hiking
}}
{{nihongo|Mount Yudono|湯殿山|Yudono-san}} is one of the Three Mountains of Dewa in the ancient province of Dewa (modern-day Yamagata Prefecture). The Yudonosan Shrine, the most holy of the Dewa Sanzan shrines, is located on the mountain.{{Cite web|last=山形県観光物産協会|first=公益社団法人|title=Yudonosan Shrine|What to See & Do|STAY YAMAGATA|url=https://yamagatakanko.com/en/attractions/detail_1339.html|access-date=2023-04-07|website=STAY YAMAGATA|language=en}}{{Cite web|last=ORGANIZATION|first=TOHOKU TOURISM PROMOTION|title=Yudonosan Shrine|Search Destinations in Tohoku {{!}} TRAVEL TO TOHOKU - The official tourism website of Tohoku, Japan|url=https://www.tohokukanko.jp/en/attractions/detail_1623.html|access-date=2023-04-07|website=The official tourism website of Tohoku, Japan "TRAVEL TO TOHOKU"|language=en}}
Pilgrims have to enter the shrine itself barefoot, and photography is not allowed. Due to heavy winter snowfall, the mountain and shrine are inaccessible for long periods of the year.