Onsen EncyclopediaOnsen Data

Updated on 17 March 2026

Total number of hot spring sources

（As of the end of March 2024）

Rank	Prefecture	Number of sources	Overall ratio
1	Oita	5,086	18.2％
2	Kagoshima	2,735	9.8％
3	Hokkaido	2,239	8.0％
4	Shizuoka	2,192	7.9％
5	Kumamoto	1,337	4.8％

Japan Hot Springs Association. “The 10 best hot spring resorts by prefecture (2023)”. Japan Hot Springs Association. 2025-3-14.

Total volume of output

（As of the end of March 2024）

Rank	Prefecture	Gushing volume (l/min)	Overall ratio
1	Oita	291,121	11.7％
2	Hokkaido	195,909	7.8％
3	Kagoshima	166,960	6.7％
4	Aomori	142,255	5.7％
5	Kumamoto	130,488	5.2％

Japan Hot Springs Association. “The 10 best hot spring resorts by prefecture (2023)”. Japan Hot Springs Association. 2025-3-14.

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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