Onsen EncyclopediaOnsen Data

Updated on 29 June 2026

Total number of hot spring sources

（As of the end of March 2025）

Rank	Prefecture	Number of sources	Overall ratio
1	Oita	5,094	18.2％
2	Kagoshima	2,735	9.8％
3	Hokkaido	2,249	8.0％
4	Shizuoka	2,185	7.8％
5	Kumamoto	1,339	4.8％

Source: Hot Spring Usage Statistics by Ministry of the Environment（FY2024）

Total volume of output

（As of the end of March 2025）

Rank	Prefecture	Gushing volume (l/min)	Overall ratio
1	Oita	293,610	11.9％
2	Hokkaido	189,888	7.7％
3	Kagoshima	167,150	6.7％
4	Aomori	139,808	5.6％
5	Kumamoto	129,598	5.2％

Source: Hot Spring Usage Statistics by Ministry of the Environment（FY2024）

Hot spring type

Of the 10 types of posting springs, 7 types (simple hot springs, chloride springs, bicarbonate springs, sulfate springs, iron-containing springs, sulfur springs, and acidic springs) have been identified in Beppu City.

※The presence of carbon dioxide springs, iodine springs, and radioactive springs has not been confirmed.

Total number of sources and total volume of springs in Beppu City

Total number of sources：: 2,831
Total volume of output：: 101,856　ℓ/min.

（As of the end of March 2025）

According to “FY2025 Tobu (Eastern) Public Health Center Report” (Oita Prefecture)

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