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Kawa No Eki Sen Koya Koi Bo Taru Onsen Kan

川の駅船小屋 恋ぼたる 温泉館かわのえきせんこや こいぼたる おんせんかん

Public Bathhouse
Kyushu & Okinawa·Fukuoka

Day Use

Yes
Mon10:00–21:00
TueClosed
Wed10:00–21:00
Thu10:00–21:00
Fri10:00–21:00
Sat10:00–21:00
Sun10:00–21:00

except Tuesday

¥500

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

Policies & Services

KidsYes

Welcomes children and families

DiningYes

Restaurant or dining open to visitors (not just hotel meal plans)

WashingYes

Shower, wash stations, soap and shampoo provided

Rest AreaYes

Relaxation space for after bathing

ParkingYes

On-site or nearby parking available

筑後船小屋温泉

Chikugo Funagoya Onsen
Bicarbonate
Color
colorless and transparent
Taste
metallic with a faint astringent edge
Odor
odorless

Magnesium-Sodium-Calcium Bicarbonate spring

pH 6.7Neutral
Composition fingerprint6.2 g/kg dissolved · Hypotonic
Mg²⁺36
Na⁺33
Ca²⁺29
HCO₃⁻99
CationsAnions
Magnesium Mg²⁺
mild; a laxative if you drink it.
Bicarbonate HCO₃⁻
"soda" — softens skin, leaves it smooth.
Known good for
  • Smooth skindry, rough skin
  • Recoveryfatigue, stress

A bicarbonate spring carrying a balanced cation set of magnesium, sodium and calcium. Neutral pH and a moderately heavy 6,189 mg/kg of dissolved solids place it in the soft, skin-smoothing bicarbonate family that Japan calls the beauty-water tradition. The wellhead temperature of 30.9 °C makes it a cold-side spring that is reheated for bathing, and the water carries a faint metallic, slightly astringent edge on the tongue.

Sampled at delivery pipe·Analyzed Oct 13, 2020·株式会社 東洋環境分析センター·Cert no. gZ2004253-001

Explore the water

Highlights

Lukewarm Bath
Foot Bath

Programs

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Sergey M
1 year ago· edited

391. Kawanoeki Funagoya Koibotaru Onsenkan, Chikugo, Fukuoka ★★ Onsen for ¥600. Opening hours are listed as 10:00 to 21:00 (except Tue). They stamp the Kyushu 88 Onsen stamp rally. On the park grounds there is a diner, a market, and an ashiyu. The bath photos online match what is there. 1. Outdoor area. There is no view, but it is not really needed here, the location itself looks unusual. 1.1. A bath with cloudy brownish-white water, slightly carbonated. Temperature 37-38. 1.2. A bath on the second level with cloudy brownish-white water. Temperature 36-37. 1.3. A shallow bath with the most concentrated color, in practice for one person. Temperature 36-37. 1.4. A bath with old men in the corner, the water color is less saturated than in the others. 2. Indoor bath with cloudy brownish-white water, temperature 38. Easy to breathe. An unusual, cool place, recommended. Because the outdoor baths are not very warm, they feel rather cold in winter. Very popular with old men. 11.01.2025

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Last updated August 4, 2026