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Let’s Enjoy Nasu with Kaori! — Welcome to Omaru Onsen Ryokan, a hidden hot spring at an altitude of 1,300 meters.

Omaru Onsen Ryokan

大丸温泉旅館1
Hello, this is Kaori.
Omaru Onsen Ryokan is a hot spring inn known as a secluded “hidden onsen” located at an altitude of 1,300 meters.
Its most famous bath is “Kawa-no-Yu,” an open-air bath where the hot spring water flows like a river through the tub, letting you feel at one with nature.
In winter, you can enjoy a luxurious soak while gazing out over a beautiful, snow-covered landscape.
▼ Virtual View (Surroundings)

You can check the inn’s location and surroundings via Google Street View.

▼ Kaori's Report

大丸温泉旅館1

On the last day of the year, with snow falling steadily, I somehow found myself driving all the way up the mountain.
I was nervous the whole way, wondering if the tires might start slipping on the road.

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The reason I came all the way here was to visit this much-talked-about hidden hot spring and soothe away a year’s worth of fatigue.

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This day-trip hot spring is located at Omaru Onsen Ryokan.

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Reception for day-use bathing ends at 3:30 p.m., but I just barely made it in time.

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This is the famous “Kawa-no-Yu.”
The natural spring water flows directly into the open-air bath just as it emerges from the ground.
The open-air bath is mixed-gender, but there is also an indoor bath reserved for women.

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Ahh, it felt amazing!
The snow had piled up just the right amount, giving the place a perfect secluded hot spring atmosphere.
I completely fell in love with it.
Winter really is the best season to enjoy hot springs, isn’t it?


(Kaori’s Highlights)

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In the open-air bath, both men and women wear a large green bath towel, provided at reception, wrapped around their bodies.
You might be surprised by how many women also bathe in this mixed open-air bath.
Of course, I wrapped my towel around myself and went into the outdoor bath too.
There’s something a little bit exciting and heart-pounding about a mixed bath!

▼ Contact Information


[Phone] +81-287-76-3050


[More Info.] info Opening hours and details

▼ Map


You can check the exact location of the inn on the map below.

▼ Season's Menu
▼ Pick Up Menu (Related)