NEW MOON
If you want to look for constellations, try around the time of the new moon.
The period around the new moon, when moonlight is less intense, is a good time to look for faint stars. Why not try connecting stars with a guidebook in hand?
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【海と星に抱かれる】星を見に、海辺の絶景温泉へ。赤穂で楽しむ星空と月、くつろぎの一泊を
2026/11/02
- Notice from the hotel
SETOUCHI STARRY NIGHT
星を見に、
星を見に、
海辺の絶景温泉へ。
Even on nights under the full moon. Even on nights without the moon.
Ako has a reason to look up at the sky.
A one-night stay unfolding under the Seto Inland Sea and the night sky.
After dinner,
Another way to have fun.
Gaze at the sea, relax in the Hot springs, and savor the local flavors.
At the end of that day, why not take a moment to look up at the night sky?
Find a constellation. Peek at the moon's pattern.
Casual conversations become unforgettable memories of your journey.
Enjoy a night in KAMENOI HOTEL Ako and enjoy the sky.
2026 GEMINIDS12.14MON NIGHT → 12.15 TUE DAWNGeminid Meteor Shower
THIS WINTER’S HIGHLIGHT
This winter,
This winter,
Embark on a journey to wait for a shooting star.
The 2026 Geminid meteor shower is expected to peak around 11 PM on December 14th. The best time to watch is from the night of the 14th to the early morning of the 15th.
To see shooting stars, look across the sky with your naked eye, without using a telescope. Dress warmly, and enjoy the time you spend waiting for them together.
国立天文台の全国向け予報に基づく案内です。ホテルでの出現数や観測を保証するものではございません。
Two ways to enjoy the night
A night to search for stars. A night to admire the moon.
Even in the same location, the way you enjoy it changes depending on the phase of the moon. Choose your travel date based on the sky you want to see.
FULL MOON
If you want to enjoy the moon, the best time is around the full moon.
A quiet night spent gazing at the round moon. Instead of chasing the stars, a trip to enjoy the moon's brightness and patterns is also wonderful.
Around the time of the full moon, faint stars are difficult to see due to the moonlight. If you want to enjoy the craters on the moon with a telescope, the time around the half moon is also recommended.
PLAN YOUR STARRY GETAWAY
A travel calendar of the night sky
Before you make your plans...
Let the new moon and full moon be the inspiration for your trip.
The sky changes its wardrobe from autumn to winter.
New moon 11/9
Full Moon 11/24
Winter constellations and shooting stars
New moon 12/9
Full Moon 12/24
冬の大三角
新月1/8
満月1/22
オリオン座を探して
新月2/7
満月2/21
冬から春へ、星のリレー
新月3/8
満月3/22
しし座の季節
新月4/7
満月4/21
春の大三角
新月5/6
満月5/20
初夏の星空へ
新月6/5
満月6/19
夏の大三角
新月7/4
満月7/19
夏の夜空を見上げて
新月8/2
満月8/17
ペガスス座の季節
新月9/1・9/30
満月9/16
秋の四辺形
新月10/29
満月10/15
The sky changes its wardrobe from autumn to winter.
新月11/28
満月11/14
Winter constellations and shooting stars
新月12/28
満月12/14
The dates are in Japan Standard Time, as per the National Astronomical Observatory of Japan's "Calendar Summary." These are calendar dates that include the moment of the new or full moon, and do not indicate the moonrise or visible time on that particular night. Visibility can vary depending on weather, lighting, and observation time, even around the new moon.
FOUR SEASONS, FOUR SKIES
As the seasons change, so does the sky.
No matter how many times you visit, you'll always enjoy the sight of the sky above.
These seasonal markers are helpful for finding constellations at night.
イメージWINTER / December–February
From three stars to a winter tale.
Let's try to find the Winter Triangle using the three stars of Orion as a guide. Betelgeuse, Sirius, and Procyon. Knowing their names makes those distant stars feel a little closer.
Keywords for finding constellations: Orion / Winter Triangle
The constellations you can see will vary depending on the time of day and the direction you observe.
イメージSPRING / 3–5月
やわらぐ夜風と、春の星。
しし座やおとめ座、うしかい座が春の空の目印に。寒さがやわらぐ季節は、ガイドブックを開いて、いつもよりゆっくり星座探しを。
星座探しのキーワード：しし座／おとめ座／春の大三角
観察する時刻や方角によって、見える星座は変わります。
イメージSUMMER / 6–8月
夏の大三角を、旅の記憶に。
こと座のベガ、わし座のアルタイル、はくちょう座のデネブ。三つの明るい星をつないで、大きな三角を探しましょう。夏の夜の会話に、星の名前をひとつ。
星座探しのキーワード：こと座／わし座／はくちょう座
観察する時刻や方角によって、見える星座は変わります。
イメージAUTUMN / 9–11月
秋の夜長は、四つの星をたどって。
ペガスス座の胴体を形づくる「秋の四辺形」が、秋の星座探しの入り口に。月明かりの少ない夜に、ゆっくり空を見渡してみましょう。
星座探しのキーワード：ペガスス座／秋の四辺形
観察する時刻や方角によって、見える星座は変わります。
実際の貸出機種とは異なりますA Little Closer to the Sky
Empty-handed,
Empty-handed,
An encounter with the night sky.
In addition to binoculars for rent, we have three astronomical telescopes available. A stargazing guidebook is available for free at the front desk in the lobby. Take home the small discovery of gazing at the moon for the first time while traveling.
- Eligible users
- Hotel guests
- Rental fee
- Free
- Application
- Please speak to the lobby or front desk staff.
- Loan details
- Binoculars / Telescopes (3 units) / Stargazing guidebook
The number of devices is limited. Please check with the front desk for rental times, observation locations, and usage instructions. Observation may not be possible depending on the weather.
Enjoy the night sky; a recommended stay.
First, head to the seaside Hot springs.
Relax your travel tension in a Hot springs overlooking the sea. Take your time, imagining the pleasures of the night.
After dinner, look up at the sky.
I borrowed a guidebook from the front desk and chose one of the constellations for this season. I started with a short observation, taking as little time as I could.
Bring the lingering feeling back to your room.
As you talk about the stars and moon you've spotted, you'll find yourselves relaxing. The nights you spend looking up at the sky will become cherished memories for the two of you.
To enjoy the Ako night even more.
From a single cocktail to your first attempt at constellation hunting.
Enjoy your evening in a way that suits you.
Can you enjoy the night sky with a cocktail in hand?
Yes. You can spend time gazing at the night sky while enjoying hotel-original cocktails at SETOUCHI LOUNGE. Enjoy the moon with a drink after dinner or search for stars between conversations. Enjoy your favorite drink and enjoy a Ako night slowly.
Can I enjoy the starry sky even if I don't bring anything?
Yes. In addition to binoculars for rent, we also have three telescopes available. Stargazing guidebooks are available for rent at the front desk, so please feel free to ask. Whether you use the equipment to look at the moon or simply gaze at the sky with your naked eye, please enjoy it however you like. The number of rental items is limited.
Can I enjoy this even if I'm not an expert on stars?
Absolutely! Just opening a guidebook and looking for a constellation that catches your eye can lead to discoveries unlike any other night. You can talk about "What's that bright star?" or take turns looking through binoculars or a telescope. Whether you're a couple or a family, enjoy your first experience of stargazing.
Hot springs or after dinner, what kind of time would you recommend?
After enjoying dinner with Hot springs, enjoy an original cocktail at SETOUCHI LOUNGE. Relax and chat while gazing at the night sky, and if you spot a moon or star that catches your eye, why not feel a little closer with the rental binoculars or telescope? We recommend spending the night without packing up time and just following your mood.
Can you still enjoy your hotel nights even on cloudy or rainy days?
Yes. On nights when you can't see the stars, enjoy your original cocktails and chat more slowly than usual at SETOUCHI LOUNGE. Relax in the Hot springs and soak in the lingering memories of your trip in your room. Spend your night as you wish, depending on the sky conditions.
The next trip is
Why not start by deciding which night sky you want to see?
Stars, the moon, and Hot springs.
Spend a night with your loved ones and Ako.