Hi everyone!
It is the tourist association "Lake Mashu Tourism Association" in Teshikaga Town, Hokkaido, where Lake Mashu and Lake Kussharo, which are popular tourist spots in Hokkaido, are located.
The surface of Lake Mashu boasts the world's most transparent surface, and the magnificent nature of Lake Kussharo, which is also the largest caldera lake in the Japan (a lake with water accumulated in the crater of a volcano)!
We will send out the charm of Teshikaga Town that we would like many people to know, so thank you!
It is the tourist association "Lake Mashu Tourism Association" in Teshikaga Town, Hokkaido, where Lake Mashu and Lake Kussharo, which are popular tourist spots in Hokkaido, are located.
The surface of Lake Mashu boasts the world's most transparent surface, and the magnificent nature of Lake Kussharo, which is also the largest caldera lake in the Japan (a lake with water accumulated in the crater of a volcano)!
We will send out the charm of Teshikaga Town that we would like many people to know, so thank you!
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Lake Mashu Tourism Association posted.
![[Image1]Gather your friends!! 🤝The official LINE account of Lake Mashu Tourism Association has launched, and](https://img.cooljapan-videos.com/files/member_posts/image/d3d68af0f5c371e13888902de3e2bf3c152b4903.jpg)
![[Image2]Gather your friends!! 🤝The official LINE account of Lake Mashu Tourism Association has launched, and](https://img.cooljapan-videos.com/files/member_posts/image/da650b43e458eb2806b79ad2971275adef6db2c3.jpg)
Gather your friends!! 🤝
The official LINE account of Lake Mashu Tourism Association has launched, and we’re happily welcoming new friends 🤩
You can check the stamp rally on LINE—Teshikaga Hikari Quest: Shine! Kawayu Onsen—which offers luxurious prizes like Mashu Wagyu, so be sure to take a look 🎁
First, scan the QR code in the image to add Lake Mashu Tourism Association as a friend 💁♀️📱🤝
https://www.masyuko.or.jp/news/kannkoukyoukailine/...
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摩周湖観光協会の公式LINEが開設。豪華景品が当たるスタンプラリーも！ | お知らせ | 弟子屈なび
摩周湖観光協会公式LINEが開設されます。それに伴い、LINEのスタンプラリーイベント【テシカガ ヒカリクエスト・輝け！川湯温泉】もスタート！イベント期間は2025/10/01(水)～2025/11/30(日)で、参加は無料。スタンプラリーを楽しみながら、抽選で当たる豪華景品もゲットしよう。まずは、摩周湖観光協会の公式LINEをチェック！
Lake Mashu Tourism Association posted.
![[Image1]【Notice of Winter Road Closures for Reiwa Year 7】【Winter Road Closure Notice 2025.10.31】The followin](https://img.cooljapan-videos.com/files/member_posts/image/7366f84fc97ea0946a0fc268de06862e333e09e9.jpg)
【Notice of Winter Road Closures for Reiwa Year 7】
【Winter Road Closure Notice 2025.10.31】
The following roads in the Mashu Area will be closed for winter starting today, October 31, Reiwa Year 7.
・Prefectural Road 52 Kussharo Lake Shore Line (Third Observation Deck) from 15:00
・Prefectural Road 150 Mashu Lake Nakashibetsu Line (Uramashu Observation Deck) from 9:00
Access to Lake Mashu is possible from the Teshikaga Town side to Lake Mashu Kamuy Terrace (First Observation Deck) via Prefectural Road 52.
・Prefectural Road 588 Kussharo Tsubetsu Line (Tsubetsu Pass) from 10:00
The winter detour for Tsubetsu Pass will be Japan National Route 243 (Bihoro Pass).
・Prefectural Road 587 Atosato Koshimizu Line (from near the top of Mokoto Pass to Koshimizu Town, 9.8 km) from 10:00
For updates on the lifting of winter road closures, please check Teshikaga Navi.
We apologize for the inconvenience and appreciate your understanding and cooperation.
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令和７年 冬季道路通行止めのお知らせ | お知らせ | 弟子屈なび
【冬季道路通行止めのお知らせ 2025.10.31】
摩周エリアにある下記の道路は、本日令和７年10月31日から冬季通行止めとなります。
・道道52号 屈斜路摩周湖畔線（第三展望台）15:00から
・道道150号 摩周湖中標津線（裏摩周展望台）9:00から
摩周湖へは弟子屈市街地側から摩周湖カムイテラス（第1展望台）まで（道道５２号線）通行可能です。
・道道588号 屈斜路津別線（津別峠）10:00から
津別峠の冬期間のう回路は国道243号線（美幌峠）となります。
・道道587号 跡佐登小清水線（藻琴峠頂上付近から小清水市街方面の９．８ｋｍ）10:00から
冬季通行止めの解除のお知らせは、こちらの弟子屈なびにてご確認ください。
ご不便をおかけしますが、ご理解とご協力のほどよろしくお願いいたします。
Lake Mashu Tourism Association posted.
![[Image1]Winter has fully arrived! Where am I?📍MtIo to Kawayu Visitor CenterTeshikaga and Kawayu Onsen have b](https://img.cooljapan-videos.com/files/member_posts/image/f760bb79143f209dc94f7c358f689762068d8768.jpg)
![[Image2]Winter has fully arrived! Where am I?📍MtIo to Kawayu Visitor CenterTeshikaga and Kawayu Onsen have b](https://img.cooljapan-videos.com/files/member_posts/image/bd20095843ef15b67c788d15baf92345689635f4.jpg)
![[Image3]Winter has fully arrived! Where am I?📍MtIo to Kawayu Visitor CenterTeshikaga and Kawayu Onsen have b](https://img.cooljapan-videos.com/files/member_posts/image/4b4f4368a95f99000c21816a9d6a64b273d936cc.jpg)
Winter has fully arrived! Where am I?
📍MtIo to Kawayu Visitor Center
Teshikaga and Kawayu Onsen have been hit by a sudden start to winter☃️ As always, you can enjoy beautiful snowy scenery‼︎ A day trip to soak in the hot springs is a lovely idea…♨️ Please drive carefully when you go out🚗💨❄️ Have a wonderful day✨
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Lake Mashu Tourism Association posted.
![[Image1]Teshikaga Night Sky Enjoyment WorkshopThanks to your support, we have reached the 12th Teshikaga Nig](https://img.cooljapan-videos.com/files/member_posts/image/8c294cf924f0553ce4b995c6be03e8d9dfd59a7a.jpg)
![[Image2]Teshikaga Night Sky Enjoyment WorkshopThanks to your support, we have reached the 12th Teshikaga Nig](https://img.cooljapan-videos.com/files/member_posts/image/87b3aa99bc593a9f0b172253d88fb97fc1fd7c58.jpg)
Teshikaga Night Sky Enjoyment Workshop
Thanks to your support, we have reached the 12th Teshikaga Night Sky Enjoyment Workshop. This year’s theme is the much-anticipated Geminids meteor shower. The program includes a classroom lecture and an observation session.
Why is Teshikaga’s night sky so stunning?
How should we protect and make the most of this night sky? What exactly is a meteor shower? What are tips for enjoying it? Which astronomical events should you watch for next year? This workshop is packed with answers and insights.
If the sky is clear, we will go outside and observe the meteor shower.
We hope you get to see bright meteors that can compete with the waning moonlight.
To register, contact Teshikaga Town Community Center.
015-482-2340
We look forward to your participation🌌✨
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Lake Mashu Tourism Association posted.
![[Image1][Special offer for Michihigashi residents: “Use and Revive” Kawayu Stay Discount — Winter plan now o](https://img.cooljapan-videos.com/files/member_posts/image/c60f2532c8d6a64c87e2b46747d89db18dd52802.jpg)
[Special offer for Michihigashi residents: “Use and Revive” Kawayu Stay Discount — Winter plan now on sale!]
This winter, revive your body and spirit with a budget-friendly stay at Kawayu Onsen, Teshikaga.
The “Use and Revive” Kawayu Stay Discount (Winter), available to residents of Michihigashi, went on sale on October 20 at three properties affiliated with the Kawayu Onsen Ryokan Association.
As autumn ends and the calm of winter approaches, why not stay at Kawayu Onsen during the deep cold and come back refreshed?
Kawayu Stay Discount (Winter)
・Eligible period
Weekdays and Sundays from Sunday, November 2, 2025 through Sunday, March 29, 2026
・Eligible area
Residents of Michihigashi: Kushiro, Nemuro, Okhotsk, and the Tokachi region
・Participating properties
Oyado Kinkiyu Bettei Suikazura, Kawayu Kanko Hotel, KKR Kawayu (members of the Kawayu Onsen Ryokan Association)
*Oyado Kinkiyu will be closed from November for the time being and is not eligible.
・Discount amount
Adults ¥2,000, children ¥1,000 (no limit on consecutive nights)
・How to book
Via each property’s official website, by phone, etc.
This offer ends when the budget runs out, so neighbors, please take advantage of it.
https://www.masyuko.or.jp/news/syukuhakuwariwinter25/...
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道東住民対象・ツカッテフッカツ”かわゆ宿泊割 冬”プラン販売開始！ | お知らせ | 弟子屈なび
この冬も弟子屈川湯温泉で、お得にツカッテフッカツしませんか？
道東にお住いの皆様対象のツカッテフッカツ”かわゆ宿泊割（冬）”プラン、10月20日より川湯温泉旅館組合加盟の3施設で販売開始しました！
Lake Mashu Tourism Association posted.
![[Image1][Kawayu Visitor Center Lecture Announcement 📣]Tomorrow, Saturday, 10/25, Professor Mitsuhiro Nakagaw](https://img.cooljapan-videos.com/files/member_posts/image/3747afefb820df36d8966a35e754b6e7908f230e.jpg)
[Kawayu Visitor Center Lecture Announcement 📣]
Tomorrow, Saturday, 10/25, Professor Mitsuhiro Nakagawa, who has conducted long-term research in this field, will give a lecture titled "Why is Lake Kussharo so shallow? The secrets of Mount Atosanupuri revealed by the latest research." The venue is Kawayu Visitor Center and admission is free. We look forward to your visit ⛰️✨
Lecture
"Why is Lake Kussharo so shallow? The secrets of Mount Atosanupuri revealed by the latest research."
We will welcome Mitsuhiro Nakagawa, Specially Appointed Professor, Faculty of Science, Hokkaido University.
Date: Saturday, December 6, 13:30–15:30
Venue: Kawayu Visitor Center, second floor
Admission free (no registration required; capacity 50)
We hope this talk offers a chance to encounter the grand natural story behind the familiar landscape of Lake Kussharo, so you can learn more about the lake and the park and feel proud of them.
https://www.masyuko.or.jp/news/kawayuvcfureai2/...
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自然ふれあい行事講演会 in 川湯ビジターセンター | お知らせ | 弟子屈なび
川湯ビジターセンターでは、２つの自然ふれあい行事講演会の開催が決定。
10月は玉川大学農学部名誉教授・吉川朋子氏にご登壇いただく講演会「火山湖の生きものたち〜屈斜路湖の生態のつながり〜」、また12月には講演会「屈斜路湖はなぜ浅いのか〜最新研究が解明したアトサヌプリ火山の秘密〜」北海道大学理学研究員・特任教授である中川光弘氏をお招きいたします。
Lake Mashu Tourism Association posted.
![[Image1]Notice: Lecture Tomorrow📣Tomorrow, Saturday, October 25, Professor Tomoko Yoshikawa, who has long st](https://img.cooljapan-videos.com/files/member_posts/image/6983023a7d2be6401c2f31d16d99b6a7bd66e65f.jpg)
Notice: Lecture Tomorrow📣
Tomorrow, Saturday, October 25, Professor Tomoko Yoshikawa, who has long studied this field, will give a lecture titled “Creatures of Volcanic Lakes: The Ecological Connections of Lake Kussharo.” The event will take place at Kawayu Visitor Center and admission is free. We look forward to your visit⛰️✨
Lecture: “Creatures of Volcanic Lakes — The Ecological Connections of Lake Kussharo”
Presented by Tomoko Yoshikawa, Professor Emerita, Faculty of Agriculture, Tamagawa University.
Date and Time: Saturday, October 25, 1:30 PM–3:30 PM
Venue: Kawayu Visitor Center, 2nd floor
Admission: Free (no registration required; capacity 50)
We hope this opportunity to encounter the grand natural story behind Lake Kussharo, a familiar local landscape, will help you understand the lake and the park more deeply and feel proud of them.
https://www.masyuko.or.jp/news/kawayuvcfureai2/...
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自然ふれあい行事講演会 in 川湯ビジターセンター | お知らせ | 弟子屈なび
川湯ビジターセンターでは、２つの自然ふれあい行事講演会の開催が決定。
10月は玉川大学農学部名誉教授・吉川朋子氏にご登壇いただく講演会「火山湖の生きものたち〜屈斜路湖の生態のつながり〜」、また12月には講演会「屈斜路湖はなぜ浅いのか〜最新研究が解明したアトサヌプリ火山の秘密〜」北海道大学理学研究員・特任教授である中川光弘氏をお招きいたします。
Lake Mashu Tourism Association posted.
![[Image1]【Notice from Teshikaga Town – TV Broadcast Announcement】We apologize for the very late notice…Teshik](https://img.cooljapan-videos.com/files/member_posts/image/d746c18189494853e76b8eb0c67c1623b94069c3.jpg)
【Notice from Teshikaga Town – TV Broadcast Announcement】
We apologize for the very late notice…
Teshikaga Town will appear on a TV broadcast‼︎
Please be sure to watch📺✨
＝＝＝＝＝＝＝＝＝＝＝＝
▼Program Title
Iyoku Onna: Onsen Yuki (Iyoku Onna Onsen Yuki)
▼Broadcast Dates
Friday, October 3, 2025 2:55–3:25 AM (late night) [1 Kawayu Onsen] [2 Mashu Onsen]
Friday, October 10, 2025 2:55–3:25 AM (late night) [3 Lake Kussharo] [4 Yoroushiushi Onsen]
*Two episodes will air within each 30-minute time slot
▼Cast
Yume Hayashi (talent from Furano City)
▼Broadcast Station
HTB Hokkaido Television Broadcasting (Channel 6)
＝＝＝＝＝＝＝＝＝＝＝＝
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Lake Mashu Tourism Association posted.
![[Image1][Marsyuko Tourism Association launches an official LINE account. A stamp rally with luxurious prizes](https://img.cooljapan-videos.com/files/member_posts/image/3a5dc755a27c52bf73f61c13d4550aa0d9fab266.jpg)
[Marsyuko Tourism Association launches an official LINE account. A stamp rally with luxurious prizes is also underway!]
The official LINE of the Marsyuko Tourism Association is being launched. Along with it, the LINE stamp rally event "Teshikaga Hikari Quest – Shine! Kawayu Onsen" will begin. The event runs from Wednesday, October 1, 2025 to Sunday, November 30, 2025, and participation is free. Enjoy the stamp rally and also try your luck in the prize drawing for luxurious rewards. First, check the official Marsyuko Tourism Association LINE account!
[Teshikaga Hikari Quest – Shine! Kawayu Onsen]
"Once there were eight lights that lit Kawayu Onsen. One day, those lights were mysteriously drawn away and set out to travel around Teshikaga. And now a rumor goes like this…" ‘Whoever gathers the eight lights will be granted a treasure.’ Restore the town’s lights with your own hands!
Event period
Wednesday, October 1, 2025 to Sunday, November 30, 2025
How to participate
1. Add the Marsyuko Tourism Association official LINE account as a friend by scanning the QR image on the poster, then check the message!
2. Visit the Hikari spots in any order and at any time you like, scan the QR images displayed at each spot to earn points!
3. Enter for selectable prizes according to the number of points you collect! Fill in the required information on the application form sent via LINE and submit.
*For details, please check the message on LINE.*
Hikari spots
1 Kawayu Onsen footbath 2 Roadside Station 3 Mashu Lake Kamui Terrace 4 Kawayu Bedrock Terrace 5 Wakoto Field House 6 Lake Kussharo Sunayu 7 Mt. Io MOKMOK Base 8 Watanabe Experience Ranch
LINE procedure
1 Access the official LINE (poster QR image or friend search)
2 Check the message
3 Start the stamp rally!
https://www.masyuko.or.jp/news/kannkoukyoukailine/...
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摩周湖観光協会の公式LINEが開設。豪華景品が当たるスタンプラリーも！ | お知らせ | 弟子屈なび
摩周湖観光協会公式LINEが開設されます。それに伴い、LINEのスタンプラリーイベント【テシカガ ヒカリクエスト・輝け！川湯温泉】もスタート！イベント期間は2025/10/01(水)～2025/11/30(日)で、参加は無料。スタンプラリーを楽しみながら、抽選で当たる豪華景品もゲットしよう。まずは、摩周湖観光協会の公式LINEをチェック！
Lake Mashu Tourism Association posted.
![[Image1]Nature Contact Lecture Series at Kawayu Visitor CenterKawayu Visitor Center will host two lectures i](https://img.cooljapan-videos.com/files/member_posts/image/7f5902169438a2c97bf6016d9ab6b45c557374e4.jpg)
Nature Contact Lecture Series at Kawayu Visitor Center
Kawayu Visitor Center will host two lectures in the Nature Contact series.
In October, Tomoko Yoshikawa, Professor Emerita of the Faculty of Agriculture at Tamagawa University, will present “Life in Volcanic Lakes: Ecological Connections of Lake Kussharo.” In December, Mitsuhiro Nakagawa, Researcher and Specially Appointed Professor in the Faculty of Science at Hokkaido University, will give a talk titled “Why Is Lake Kussharo So Shallow? The Secrets of Atosanupuri Volcano Revealed by Recent Research.”
Our region spreads around the Kussharo Caldera, shaped by major volcanic activity. Lake Kussharo, Japan’s largest caldera lake, stands as a symbol of Akan-Mashu National Park and has nurtured a wide variety of life thanks to volcanic bounty.
To take a fresh look at this special lake and share its appeal and origins, we planned these two lectures. First, an exploration of the lake’s connections with its living creatures; second, a clear explanation of volcanic findings uncovered by recent research, delivered gently by each expert.
We hope that encountering the grand natural story behind the familiar landscape of Lake Kussharo will give you a deeper understanding of and pride in the lake and the park.
“Life in Volcanic Lakes: Ecological Connections of Lake Kussharo”
Tomoko Yoshikawa, Professor Emerita, Faculty of Agriculture, Tamagawa University, will appear as speaker.
Date: Saturday, October 25 — 1:30 PM to 3:30 PM
Venue: Kawayu Visitor Center, second floor
Admission: Free (no registration required; capacity 50)
“Why Is Lake Kussharo So Shallow? The Secrets of Atosanupuri Volcano Revealed by Recent Research”
Mitsuhiro Nakagawa, Researcher and Specially Appointed Professor, Faculty of Science, Hokkaido University, will be our guest speaker.
Date: Saturday, December 6 — 1:30 PM to 3:30 PM
Venue: Kawayu Visitor Center, second floor
Admission: Free (no registration required; capacity 50)
Kawayu Visitor Center Nature Contact Lecture Series
Venue: Kawayu Visitor Center, second floor
Inquiries: 015-483-4100 / 9:00 AM–4:00 PM / Closed Wednesdays
Organizer: Lake Kussharo Caldera Nature Contact Promotion Council
https://www.masyuko.or.jp/news/kawayuvcfureai2/...
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自然ふれあい行事講演会 in 川湯ビジターセンター | お知らせ | 弟子屈なび
川湯ビジターセンターでは、２つの自然ふれあい行事講演会の開催が決定。
10月は玉川大学農学部名誉教授・吉川朋子氏にご登壇いただく講演会「火山湖の生きものたち〜屈斜路湖の生態のつながり〜」、また12月には講演会「屈斜路湖はなぜ浅いのか〜最新研究が解明したアトサヌプリ火山の秘密〜」北海道大学理学研究員・特任教授である中川光弘氏をお招きいたします。
