下呂温泉 望川館(げろおんせん ぼうせんかん）げろおんせん もちかわかん(げろおんせん ぼうせんかん）
A composition table for Gero Onsen. The water is lightly mineralized, of the simple-thermal family, led by sodium and calcium with modest bicarbonate and sulfate. It carries a fair amount of metasilicic acid (about 57 mg/kg), the silica that gives skin a smoother feel, along with around 60 mg/kg of free carbon dioxide. Spring-type label, pH and temperature are not printed on this partial poster.
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64. BOSENKAN, Gero Onsen Went with a tegata for higaeri (listed from 18 to 20 on weekdays, 12 to 14 on weekends). Inside there's a main large hot+ bath and a shallow bath with just warm water. The outdoor stone bath has spots for lying down, water is hot. During cherry blossom season, the view from the bath is absolutely ultimate — about 50% of the visual space (not counting the canopy and the bath itself) was filled with lush cherry blossoms. I haven't seen a more powerful sakura view from any onsen. Water everywhere is clear. The changing room has a nice chill zone with chairs and footrests. During cherry blossom season this bath is a must-visit. I think it would be very hard to find a more impressive sakura view from a bath.
