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Hotel & Onsen 2307 Shigakogen
0269-34-2905
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Hot Springs

Immerse yourself in hot water in a fantastic space where fireflies dance under the starry sky.

Hotaru Onsen is a hot spring resort Shiga Highlands, the center of Joshinetsu-Kogen National Park, located upstream of the Kakuma River that runs between Mt Kasagatake and Mt Yokote
Hotel Onsen 2307 Shigakogen Mt Yokote
Surrounded by mountains at an altitude of 2,000 m and mysterious ponds and swamps, the beautiful Shiga Highlands is truly a treasure trove of nature.
In the surrounding area, the altitude of firefly outbreak is the highest in Japan, and the landing period of larvae and the outbreak period of adults are the longest in Japan.
It is also famous as a habitat for Genji firefly, a natural monument known for its long lifespan.
It is said that the name "Hotaru Onsen" is derived from this place, and you can enjoy it from mid-July to mid-August.
If you soak in the hot water in a fantastic space where you can dance while looking up at the starry sky, you will gradually feel calm.

【2,000m above sea level】Hot springs where fireflies and stars dance

The view and mood are great.Relax your body and soul in the effective natural hot spring "Hotaru Onsen".
You can take a bath 24 hours a day, so you can take a bath at any time you like.

  • 【1F】Open Air Bath

    The hot spring in the open-air bath has been renewed to a cloudy hot spring!

    Changed from transparent spring to cloudy spring.
    It is a cloudy sulfur spring whose color changes from white to green depending on the temperature and humidity!

    What color will it be when customers come in?

    The open-air bath will continue to be open for free, so anyone can use it anytime!

    Tsukishiro no Yu / Hanaha no Yu

    Hot spring bath hours
    		From 16:00 to 21:45
    Hot spring bathing category
    		Men's bath/Women's bath each bathtub✖️2
    Hot spring qualities
    		Mt Yokote Onsen (Spring quality: Cloudy sulfur spring, 100% natural hot spring) Free flowing from the source*Does not include artificial hot springs
    Characteristics
    		It is a cloudy sulfur spring whose color changes from white to green depending on the temperature and humidity!
    Cautions
    		There is no place to wash.
    Please use the indoor bath in this facility before using the open-air bath.
    *Shampoos cannot be brought in
    Usage fee
    		Free

  • 【4F】Observation bath

    Men's bath
    Please enjoy a relaxing and enjoyable time while watching the changing atmosphere of the four seasons.
    Hot spring bath hours
    		From 14:00 to 10:00 the next morning(Simple cleaning time zone Midnight 1:00 to 3:00)

  • About hot springs

    【Source name】Kumanoyu Hiratoko-no-yu
    【Source】Simple hot spring(Neutral hypotonic high hot spring)
    【Source temperature】Source 55.5℃ Usage position
    【Diseases and symptoms that are good to take a bath】Neuralgia/muscle pain/Joint pain/Fifty shoulders/Motor paralysis/Joint stiffness/Bruise/Kujiki/Chronic digestive disease/Hemorrhoids/Sensitivity/Post-illness recovery period/Fatigue recovery/Health Promotion

Hot spring information

Hot Springs

Hotaru Onsen (100% natural hot spring) Hot spring flowing*Does not include artificial hot springs

Open Air Bath

Men's bath/Women's bath

Number of baths

[Open-air bath]Man:1 woman:1
[Indoor bath]Man:2 female:2 Mixed bathing:0
[sauna]Man:0 woman:0 Mixed bathing:0

Hot spring tax

Will be charged separately.
Adult(s):150 yen/Children(0-11 years old):Free

Source name

Kumanoyu Hiratoko-no-yu

Source

Simple hot spring(Neutral hypotonic high hot spring)

Source temperature

Source 55.5℃ Usage position

Diseases and symptoms that are good to take a bath

Neuralgia/muscle pain/Joint pain/Fifty shoulders/Motor paralysis/Joint stiffness/Bruise/Kujiki
Chronic digestive disease/Hemorrhoids/Sensitivity/Post-illness recovery period/Fatigue recovery/Health Promotion

Bathing time

Bath available 24 hours
(Cleaning time 10:00 to 12:00,Midnight 1:00 to 3:00)