Uses natural hot spring water
253. Izumi-so, Izunokuni Visited for higaeri at 1000 (listed hours 12:30–21:00). They stamp the 60+6 Onsen of Shizuoka 24/25 booklet. Online photos match. Outdoor bath with a view of a tiny garden with a lantern and bamboo. Clear water, temperature 43. Indoor bath with a bridge in the middle. On one side there's a stone wall where the water comes out. Clear water, temperature 40–41. Not bad, worth visiting if you're nearby.