Sangdae Oncheon Gyeongsan

Onsen hotel in Namsan-myeon, Gyeongsan. Known as "Onamjeong" since the Silla dynasty — water never froze within a 15m radius even in winter. Hot spring discovered in 1972 when rice seedlings kept floating up in paddies; opened in 1982, operating for 40+ years. Classical music (Bach's Goldberg Variations, Chopin's Nocturnes) is played to the spring water reservoir for quality stabilization. No water reuse policy. Whirlpool family bath ₩60,000, regular family bath ₩45,000. 15 minutes by taxi from Gyeongsan KTX station. Community review: "Great water quality."

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