Discover Hirugami Onsen: A Peaceful Hot Spring Retreat Under Japan’s Starry Skies
If you are looking for a quiet and authentic hot spring destination in Japan, Hirugami Onsen is a hidden gem worth visiting.
Located in Nagano Prefecture and surrounded by mountains, this charming onsen town is famous for its smooth “beauty water,” fresh local cuisine, and some of the most beautiful starry skies in Japan. Hirugami Onsen is the perfect escape for travelers seeking relaxation, nature, and unforgettable nights under the stars.

What Makes Hirugami Onsen Special?
Hirugami Onsen is loved for its soft alkaline hot spring water and peaceful mountain setting.
Highlights:
・Skin-friendly water often called “beauty onsen”
・Quiet and relaxing atmosphere
・Surrounded by forests and mountain scenery
・Less crowded than Japan’s famous onsen resorts
・Easy access to one of Japan’s top stargazing areas
It is an ideal destination for travelers who want to slow down and reconnect with nature.

One of Japan’s Best Stargazing Destinations: Achi Village
The greatest attraction near Hirugami Onsen is the breathtaking night sky.
This nearby area is famous for having some of the clearest skies in Japan and is often introduced as one of the country’s best places for stargazing.
You can enjoy:
・Countless stars filling the sky
・The Milky Way visible on clear nights
・Guided night tours to scenic viewing spots
・A peaceful silence you can rarely experience in cities
Far from city lights, the stars appear incredibly bright and endless.
➢ After soaking in a warm onsen bath, stepping outside into the cool mountain air and looking up at a sky full of stars becomes a truly magical memory.

Nearby Attractions
Achi Village
・Stargazing tours and mountain views
・About 10–20 minutes depending on location

Hanamomo no Sato
・Famous spring flower park with thousands of pink, white, and red peach blossoms
・Often called one of Japan’s most beautiful peach blossom landscapes
・Best viewing season: mid to late April (varies by weather)
・About 15–20 minutes by car from Hirugami Onsen

Heavens Sonohara
・Scenic ropeway and seasonal flower fields
・About 15 minutes by car

Magome-juku
・Traditional Edo-period post town
・About 45 minutes by car

Local Food to Try
When visiting Hirugami Onsen, don’t miss:
・Shinshu soba noodles
・Mountain vegetables
・Wagyu beef and local specialties
・Seasonal fruit such as apples and grapes
How to Get to Hirugami Onsen
Hirugami Onsen is easier to reach than many mountain resorts.
From Nagoya
・By highway bus or car: around 1 hour 30 minutes to 2 hours
From Tokyo
・By train + bus/car: around 3.5 to 4.5 hours
From Matsumoto
・By car: around 2 hours
➢ It is a great stop between Tokyo, Nagoya, and the Japanese Alps.
Travel Tips for International Visitors
・Tattoos: Some baths may require covering them
・Onsen etiquette: No swimsuits, wash before entering
・Language: English support may be limited in smaller ryokan
・Best seasons: Summer for the Milky Way, autumn for comfort, and winter for the clearest skies.
Final Thoughts
Hirugami Onsen is perfect if you want:
・A peaceful hot spring experience
・Beautiful mountain scenery
・Incredible stargazing
・A quiet and authentic side of Japan
Less famous than major tourist spots, Hirugami Onsen offers something even more special—peaceful nights, natural beauty, and a sky full of stars you will never forget.
Tattoo-Friendly Onsen Stays
To help travelers with tattoos enjoy hot springs with peace of mind, we’ve selected a few tattoo-friendly ryokan and accommodations with onsen. Please note that policies can change, so it’s always best to confirm with the property in advance.
Private Bath Only
♨Hirugami Onsen Hanaya
Hirugami Onsen Hanaya›

♨Hirugami Onsen Kurotake
Hirugami Onsen Kurotake›

♨Oyado Sansui
Hirugami Onsen Oyado Sansui›

♨Sekitaitei Ishida
Hirugami Onsen Sekitaitei Ishida›

There are many other wounderful places to stay in Hirugami Onsen, so please check them out on this page!







