西表島の星空ガイド|今日の星空指数・おすすめ時期・星空ツアー情報
Table of Contents
- 1 西表島の星空ガイド☆ 星空指数・おすすめ時期・星空ツアー情報
- 2 Why Iriomote Island was selected as a starry sky reserve
- 3 Recommended time of year and time of day for stargazing
- 4 Can you see almost all constellations?
- 5 Recommended stargazing spots in Iriomote Island
- 6 Types of starry sky tours to enjoy in Iriomote Island
- 7 西表島の星空をより楽しむために 撮影のコツと準備
- 8 About the starry sky of Iriomote Island Frequently Asked Questions (FAQ)
- 9 summary
西表島の星空ガイド☆
星空指数・おすすめ時期・星空ツアー情報

Iriomote Island is one of the most beautiful spots for starry skies in Japan. Among the Yaeyama Islands, it has a starry sky environment of international standard, and the whole area of Taketomi Town is the first "starry sky area" in Japan.starry sky reserveThe site is recognized as an "internationally certified" site.
You can see it all year round.Milky WayYou can see soothing and inspiring scenery that you will never get tired of seeing all night long, including constellations that change with the seasons.
◆Those who want to know the charm of Iriomote Island
◆Those who want to know about the starry sky of Iriomote Island.
◆For those who want to know the popular tours held in Iriomote Island.
◆Iriomote Island: For those who want to know how to get to Iriomote Island and popular sightseeing spots.
この記事では、西表島の星空が美しい理由をはじめ、星空指数やおすすめの時期、人気スポット、星座観察の魅力まで詳しくご紹介します。
Click here for Iriomote Island Tour Popularity Ranking
Why Iriomote Island was selected as a starry sky reserve

西表島は2018年、日本初の「starry sky reserveThe company was recognized by the
The world-recognized dark night sky and rich natural environment have attracted attention as a sacred place for stargazing!
Iriomote Island Night Tour (star gazing) Night tour is recommended to see the deep nature of Iriomote Island! If you come all the way to Iriomote Island, it would be a waste if you don't enjoy the island until night! (14 in total) アクティビティの詳細を見る
What is a starry sky reserve?

The starry sky reserve is,International Dark Sky AssociationThis title is given to regions that meet the criteria set by the
Light pollution control measures have been thoroughly implemented to protect the dark night sky and star visibility.
Background and History of Certification

Toward AccreditationTaketomi Townandlocal residentscooperated in an effort to adjust the direction and brightness of streetlights!
Research and environmental improvements are underway to maintain the darkness of the night sky,official recognitionThe result is that we have come to a ☆.
▼ Guided ☆ Iriomote Island popular star gazing tour
★夏の特別SALE【西表島/夜】南十字星の観測チャンス!天然のプラネタリウム!星空&亜熱帯ジャングルナイトツアー♪当日予約OK!子連れ家族・団体旅行にもおすすめ(No.16)開始時間20:00-22:00所要時間Approx. 2 hours5,900 yen →directional marker or indicator4,900suffix for names of swords, armour, musical instruments, etc.
Iriomotejima Island/2 hours] June-August only ◆Summery summer in Iriomote Island ☆Sagaribana viewing & starry sky jungle night tour (No.138)開始時間20:00~22:00所要時間Approx. 2 hours8,900 yen →directional marker or indicator7,900suffix for names of swords, armour, musical instruments, etc.
Iriomote Island Guests Only] Enjoy the Miracle Island and Starry Sky☆Barasu Island Snorkeling & Jungle Night Tour You are welcome to join on the day you arrive... (No.143)開始時間Summer: 13:00-22:00Winter] 13:00 - 21:30所要時間Approx. 4 hours13,000 yen →directional marker or indicator12,000suffix for names of swords, armour, musical instruments, etc.
Relationship between the natural environment of Iriomote Island and the starry sky

Iriomote Island has a small population, and town lights and tourist facilities are modest,Darkness of the night skyis maintained.
The lush jungle and ocean block light pollution and provide the best conditions for observing the stars in full bloom♪
Iriomote Island Night Tour (star gazing)
Click here to see the popularity ranking
Recommended time of year and time of day for stargazing

Stargazing in Okinawa,crisp, clear airandOpen viewis the attraction. By being aware of the season and time of day, you can enjoy more stars and the Milky Way♪
Keep in mind the best season and observation tips,The best starry sky experienceLet's plan for ☆.
When is the best season?

What is the best place for stargazing in Okinawa?Autumn from the end of the rainy seasonÂ
especiallyJuly - SeptemberThe Milky Way crosses the night sky in the "Starry Night," offering a spectacular view of the stars!
In winter, too, the air is clear and beautiful stars can be seen, but the wind is strong.Thermal protection is a must.It is.
How to check the weather and the age of the month

In stargazingweatherandage in months (esp. of an infant)It is important to check the On cloudy or rainy days, it is difficult to see the stars, and strong moonlight makes the stars faint.
in advanceWeather Forecast Appand ... andMonthly Calendarand aim for a new moon or a clear night is ideal ◎.
Choosing the right time and place for observation

Observations areAfter 9 p.m. to midnightThe best time to view the stars is between 9:00 a.m. and 5:00 p.m. ☆ Choose a location in the suburbs with few city lights, on the beach, or at an observatory to see the stars clearly!
In tourist areasIshigaki Islandand ... andIriomote Island (Okinawa)The starry sky of the city is also famous for its starry sky spots, and you can feel the starry sky up close and personal♪.
Can you see almost all constellations?

Iriomote Island isOne of the best stargazing spots in JapanAnd of the 88 constellations in the84 Constellationand21 first-magnitude starsAll can be observed☆.
There are fewer lights than on Ishigaki Island, and beautiful stars spread out in the pitch black night sky.
Enjoy the starry sky☆Iriomote Island popular star gazing tour
Iriomote Island Night Tour (star gazing) Night tour is recommended to see the deep nature of Iriomote Island! If you come all the way to Iriomote Island, it would be a waste if you don't enjoy the island until night! (14 in total) アクティビティの詳細を見る
Iriomote Island Guests Only] Enjoy the Miracle Island and Starry Sky☆Barasu Island Snorkeling & Jungle Night Tour You are welcome to join on the day you arrive... (No.143)開始時間Summer: 13:00-22:00Winter] 13:00 - 21:30所要時間Approx. 4 hours13,000 yen →directional marker or indicator12,000suffix for names of swords, armour, musical instruments, etc.
Iriomotejima Island/2 hours] June-August only ◆Summery summer in Iriomote Island ☆Sagaribana viewing & starry sky jungle night tour (No.t-138)開始時間20:00~22:00所要時間Approx. 2 hours8,900 yen
Why 84 of the 88 constellations can be seen

Because Iriomote Island has few city lights, clear air and wide visibility, the 88 constellations84 constellations can be observedIt's ☆.
This is one of the reasons why the area was recognized as a starry sky reserve!
The Southern Cross, which is rare in Japan, can be observed.

Southern Cross (asterism formed with the brightest four stars of the constellation Crux)is in Japan.Part of OkinawaIt can only be seen in
In Iriomote IslandApril - JuneThe cross shape shines beautifully in the pre-dawn southern sky.
◆Visible season: Early December to end of June
◆Viewing time: One hour before and after the time when the constellations are at their highest point and at the time of the southern center of the sky. Watch out for the southern horizon!
2/1=4:26
3/1=2:36
4/1=0:34
5/1=22:32
6/1=20:30
※2025年のデータに基づいて作成しています。
Recommended stargazing spots in Iriomote Island

Iriomote Island is rich in nature with few street lights,Ideal environment for stargazingare in place!
beachand ... andaccommodations, ,Take a tourThe attraction is that you can enjoy the stars in a variety of places and ways, such as
Enjoy the starry sky☆Iriomote Island popular star gazing tour
Iriomote Island Night Tour (star gazing) Night tour is recommended to see the deep nature of Iriomote Island! If you come all the way to Iriomote Island, it would be a waste if you don't enjoy the island until night! (14 in total) アクティビティの詳細を見る
Iriomote Island Guests Only] Enjoy the Miracle Island and Starry Sky☆Barasu Island Snorkeling & Jungle Night Tour You are welcome to join on the day you arrive... (No.143)開始時間Summer: 13:00-22:00Winter] 13:00 - 21:30所要時間Approx. 4 hours13,000 yen →directional marker or indicator12,000suffix for names of swords, armour, musical instruments, etc.
Iriomotejima Island/2 hours] June-August only ◆Summery summer in Iriomote Island ☆Sagaribana viewing & starry sky jungle night tour (No.t-138)開始時間20:00~22:00所要時間Approx. 2 hours8,900 yen
うなりざき公園(上原エリア)

西表島随一のパノラマが広がる岬の公園です。周囲に視界を遮るものがないため、水平線から昇る星々を360度見渡せるのが最大の魅力です。
広い芝生に寝転んで星を浴びるような没入体験ができます☆駐車場・トイレ完備で家族連れでも安心して長時間滞在できます♪
夏の天の川の濃さは圧巻で、初めて訪れる人でも感動しやすい、島内でも王道の星空観測スポットといえます。
◆Access: 10 minutes by car from Uehara Port
◆Parking: Available
Meals (nearby): Yes
◆Toilets: Available
南風見田(はえみだ)の浜(大原エリア)

人工の灯りが一切届かない、静寂に包まれた天然のビーチです。南側に大きく開けているため、冬から春にかけての深夜には希少な「南十字星」を狙える絶好のポイントになります。
街灯のない本物の暗闇なので小さな星まで浮かび上がる圧倒的な密度を楽しむことができます。
大原港周辺に宿泊するなら、必ず訪れるべき最高にロマンチックな場所です!
◆Access: About 10 minutes by car from Ohara Port
◆Parking: -
Meals (nearby): None
◆Toilet: No
Iriomote Island-Minamikazumida beach About Minamikazumida beach It is a beach located in the southeast of Iriomote Island, facing the shallow sea surrounded by reefs. It was the place where Hateruma islanders were forcibly evacuated during the war, and many precious lives were lost due to malaria. In order not to forget this sad event, the " [...].
トゥドゥマリ浜/月ヶ浜(上原エリア)

「月ヶ浜」の愛称で親しまれる、弧を描く砂浜が美しいビーチです。上原エリアの宿泊施設から徒歩圏内というアクセスの良さも人気の秘密!
鳴き砂の踏みしめる音や、穏やかな波音をBGMに星を眺める時間は、五感に訴えかける癒やしの体験となります。
砂浜に腰を下ろして水平線を眺めると、星が海に吸い込まれていくような不思議な感覚を味わえるため、静かに過ごしたいカップルや一人旅に特におすすめです♪
◆Access: 5 minutes by car from Uehara Port
◆Parking: Available
Meals (nearby): Yes
◆Toilets: Available
Iriomote Island-Tudumari beach (Tsukigahama beach) Tudumari Beach (Tsukigahama Beach) is a beach near the resort hotel "Nirakanai" in Iriomote Island. It is also called "Tsuki ga hama" (moon beach) because the topography of the beach is shaped like a crescent moon. The best thing to do at Tsukiga-hama is to enjoy the sun [...].
Types of starry sky tours to enjoy in Iriomote Island

Iriomote Island combines stargazing and nature experiences.A variety of night tours are popularIt is!
A range of plans that take advantage of the island's unique environment, including jungle, river, and ocean, provide travelers with an unforgettable evening experience.â
Iriomote Island Night Tour (star gazing)
Click here to see the popularity ranking
Sagaribana appreciation &.
Starry sky jungle night tour

Enjoy summer only.Appreciation of SagaribanaandstargazingThe tour that includes the following is a luxury experience unique to Iriomote Island!
You can spend a special time experiencing the mystery of nature by simultaneously savoring the fantastic flowers blooming at night and the stars in the sky☆.
おすすめのサガリバナ鑑賞&
↓星空ジャングルナイトツアーこちら↓
Iriomotejima Island/2 hours] June-August only ◆Summery summer in Iriomote Island ☆Sagaribana viewing & starry sky jungle night tour (No.138)開始時間20:00~22:00所要時間Approx. 2 hours8,900 yen →directional marker or indicator7,900suffix for names of swords, armour, musical instruments, etc. Iriomote Island Sagaribana & Firefly Appreciation Tour
Click here to see the popularity ranking
Snorkeling &.
Jungle Night Tour

In the daytime, the sea is crystal clear.snorkelingand enjoy the jungle at night.stargazingand ... andcreature searchThis is a greedy plan that allows you to experience
To be able to enjoy the charms of the sea and forest throughout the day,Active travelersI recommend it for â
おすすめのシュノーケリング&
↓ジャングルナイトツアーこちら↓
Iriomote Island Guests Only] Enjoy the Miracle Island and Starry Sky☆Barasu Island Snorkeling & Jungle Night Tour You are welcome to join on the day you arrive... (No.143)開始時間Summer: 13:00-22:00Winter] 13:00 - 21:30所要時間Approx. 4 hours13,000 yen →directional marker or indicator12,000suffix for names of swords, armour, musical instruments, etc.
Canyoning &.
Starry sky jungle night tour

Waterfalls and rivers.canyoningAfter a daytime wilderness adventure in theStargazing in the JungleActivities to enjoy â
You can enjoy the contrast of movement and stillness, and experience the nature of Iriomote Island for a whole day.
Canyoning &.
↓星空ジャングルナイトツアーはこちら↓
Iriomotejima Island Guests Only] Enjoy both day and night☆Canyoning & Starry Sky Jungle Night Tour with Free Photo and Pick-up Service開始時間Summer: 13:00-22:00Winter] 13:00 - 21:30所要時間Approx. 4 hours13,000 yen →directional marker or indicator12,000suffix for names of swords, armour, musical instruments, etc.
西表島の星空をより楽しむために
撮影のコツと準備

西表島の夜空は、街灯や人工的な光が極限まで少ないからこそ、事前の準備一つでその感動が何倍にも膨らみます。
特別な機材がなくてもスマートフォンで星空を綺麗に収めるテクニックや、夜の屋外でも安全・快適に過ごすための必須アイテムを紹介します!
スマートフォンで感動を残す!
星空撮影の3つのポイント

最近のスマートフォンは高性能化しており、少しの工夫で西表島の美しい星空を撮影できます。まず必須なのが「三脚」It is.
夜間の撮影は数秒間レンズを開き続けるため、手持ちではどうしても手ブレしてしまいます。100円ショップの簡易的なものでも良いので固定しましょう。

次に、カメラアプリの「ナイトモード」を活用します。iPhoneであれば秒数を最大(30秒など)に設定し、Androidであれば「プロモード」でシャッタースピードを調整してください。
最後に、セルフタイマーを3秒程度に設定してシャッターを押す瞬間の振動を防げば、肉眼に近い幻想的な星空写真を残すことができます。
快適に過ごすための必須アイテムや
おすすめ持ち物リスト

真っ暗な夜の西表島で安全・快適に星空を鑑賞するために、以下のアイテムを準備しておきましょう。
うなりざき公園などの芝生で寝転んで鑑賞する際の必須アイテムです。
小型ライト(赤色推奨)The "M" in "M" is a combination of "M" and "A":
足元を照らすために必要ですが、強い白光は星の見え方を妨げ、周囲の人の迷惑にもなります。赤いセロハンを貼ったライトや光量を抑えたものを用意しましょう。
虫除け対策The "M" in "M" is a combination of "M" and "A":
夜のビーチや公園は蚊が多いため、スプレーや長袖の着用がおすすめです。
飲み物と薄手の上着The "M" in "M" is a combination of "M" and "A":
じっとしていると夜風で体が冷えることがあります。特に冬から春にかけては、一枚羽織るものがあると安心です。
about the starry sky of Iriomote Island
Frequently Asked Questions (FAQ)
Prepare a flashlight because it is pitch-dark at night. Insect repellent and long-sleeved clothing are also recommended, as the island is rich in nature and insects abound. Please also check the weather and the age of the months in advance.
summary

In Iriomote, you can see not only one of the most starry skies in Japan, but also stars on the ground (firefly light) that can only be seen here.
If you are considering a trip to Okinawa, why not include star gazing in Iriomote as one of your sightseeing options?
Also, there are many activities to enjoy the night in Iriomote Island. It is a privilege for those who stay in Iriomote Island, so please join them.
↓Click here to read the article.
10 beautiful night views and starry sky spots in Iriomote Island, the first starry sky reserve in Japan!Contents1 Let's see the night view in Iriomote Island! 10 Beautiful Night View & Starry Sky Spots in Iriomote Island2 10 Night View Spots in Iriomote Island2.1 ①Hoshisuna Beach (Hoshisuna Beach) 2.2 ② Sonai no Mori 2.3 ③Unalizaki Park 2.4 ④Omimijie's Lookout 2.5 ⑤Uehara Port 2.6 [...].















