시라호네 온천 고나시노유 사사야

♨️A Spring-Fed Ryokan Cradled in Shirahone's Birch Forest

Nagano, Shirahone Onsen · Konashi no Yu Sasaya

1

A Milky-White Source Spring, Flowing Free

• ♨️A sulfur-bearing calcium-magnesium hydrogen-carbonate spring, milky-white and mildly alkaline
• 🌿A famed Shirahone spring said to keep you cold-free for three years after just three days of bathing
• 🛁The free private outdoor bath, ringed by white birch trees, is booked in 30-minute slots
• 💧You can even drink the source water, which doubles as a therapeutic 'onsen for drinking'

2

Indoor Baths That Feel Half Outdoors, One with the Forest

• 🚪Throw open the glass doors and the air of the birch forest fills the bathroom directly
• 👑Separate indoor baths for men and women, named Hime-no-yu and Tono-no-yu
• 🕕Indoor baths are open 17:00-24:00 and 5:00-9:30

3

Rooms Relocated from a 170-Year-Old Kominka

• 🏯The detached annex 'Zabo-an' was relocated from a 170-year-old kominka farmhouse
• 🛏️Just 10 rooms in all, from the bed-equipped 'Chukoku' to traditional tatami rooms
• 🌲Every room looks out onto the birch forest and mountains
• 🔥No air conditioning in summer — just fans and the naturally cool mountain air

4

Quiet Japanese Rooms Overlooking the Birch Forest

• 🍃A calm, comfortable sukiya-style traditional building
• 🪟Forest views unfold beyond the veranda and windows
• 🛌Every room comfortably fits 2 to 4 guests

5

Shinshu Kaiseki, Simmered in Onsen Water

• 🍱A seasonal kaiseki course built from Shirahone's local ingredients
• 🥩The signature 'onsen shabu-shabu' — Shinshu beef and pork cooked in the spring's own water
• 🍶Paired with local sake and wine

6

A Morning Made with Spring Water: Onsen Porridge

• 🍚Mornings begin with the signature 'onsen porridge,' simmered in spring water
• 🥗A healthy breakfast built around local vegetables
• 🍲Even the 'onsen yudofu' tofu is simmered in spring water

7

A Mountain Ryokan Wrapped in Birch Forest

• 🌳In the Japan Alps' Shirahone Onsen, white birch forest surrounds you on every side
• 🅿️Free parking for 20 cars, check-in 15:00 / check-out 10:00
• 🚌Near Kamikochi and Norikura, with studless tires or chains required in winter

Milky-white spring water of its own source, a forest of white birch, and the flavors of Shinshu simmered in onsen water — find deep mountain healing at Konashi no Yu Sasaya in Shirahone Onsen.

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* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.

From onsen etiquette to check-in — the things worth knowing first.

From Shin-shimashima Station (Matsumoto Dentetsu): 40 min by taxi.

* These policies are the property's own text, in English; the cancellation policy shown at booking takes precedence.