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Lake Chūzenji

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Lake
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Lake Chūzenji (Japan)

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Lake Chūzenji, set in the Nikko National Park in Tochigi Prefecture, is Japan's highest natural lake, situated at an elevation of 1,269 meters. It was created approximately 20,000 years ago when an eruption of Mount Nantai dammed the Daiya River with lava flows. Reaching a depth of 163 meters, the lake's cool, clear waters have made it a prominent spiritual and recreational destination for centuries. It was first documented by the monk Shodo Shonin in 782 AD, who also established the nearby Chuzen-ji Temple. During the late 19th and early 20th centuries, the lake’s shores became a fashionable summer retreat for international diplomats, and several former embassies, such as the Italian and British villas, are now open to the public as museums. The area is globally famous for its autumn colors, which peak in mid-October, drawing crowds to witness the brilliant foliage against the backdrop of Mount Nantai. The lake serves as the source of the majestic Kegon Falls, a nearly 100-meter vertical waterfall that ranks among Japan's most famous natural landmarks. Visitors can enjoy sightseeing cruises across the lake or hike the scenic trails that follow its 25-kilometer shoreline.

Best time to visit & climate

The most pleasant time to visit is May, Jun, Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C-104915192424201482
Rain mm6147821041211552021761981787866

📋 Practical info

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Getting there
Reaching Lake Chūzenji is incredibly convenient via well-maintained regional highways, with reliable local buses connecting the shores to major cities.
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Best season
While late spring features brilliant blooming flora, the middle of autumn is universally cherished for its spectacular and lively foliage colors.
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Terrain & paths
The prominent coastal promenades feature meticulously paved walking paths, but venturing into the nearby forests introduces muddy, uneven trails.
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What to bring
Casual, weather-appropriate urban clothing combined with incredibly supportive walking shoes is thoroughly sufficient for most lakeside activities.
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Parking
Expansive dedicated parking lots surround the primary tourist centers, though they consistently reach absolute capacity during national holidays.
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Safety
Exercising heightened caution around unprotected rocky embankments is essential, and wearing standard life jackets is mandatory for water sports.
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Time needed
Visitors generally spend two to three relaxing hours casually observing the water, though extensive panoramic boat tours easily demand a full day.

Geography

Coordinates
36.74000, 139.46000

Facts

  • Lake Chūzenji is Japan's highest natural lake at 1,269 meters altitude.
  • It was formed by a volcanic blockage of the Daiya River 20,000 years ago.
  • The lake's deepest point reaches 163 meters below the surface.
  • Mount Nantai, the volcano that created the lake, is still considered active.
  • The lake's shoreline is approximately 25 kilometers long.
  • The Kegon Falls is the only outlet for the lake's water.

Explore nearby

Notable places around

Nikkō National ParkNikkō National Park3 km · NExplore →
NikkoNikko27 km · NExplore →
Nikko KinugawaNikko Kinugawa29 km · NExplore →
Ōizumi Industrial TownŌizumi Industrial Town41 km · EExplore →
UtsunomiyaUtsunomiya50 km · NExplore →
Ikaho OnsenIkaho Onsen62 km · SExplore →
Ouchi-jukuOuchi-juku67 km · NWExplore →
Echigo-YuzawaEchigo-Yuzawa74 km · SExplore →

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

Vehicle
Only stops with (optional):

© OpenStreetMap contributors · OpenRouteService

Sights in the town Lake Chūzenji (9)

Usagi Shima (Rabbit Island)📍 landmark

This small peninsula on Lake Chuzenji provides scenic walking trails and views of Mount Nantai.

🕒 24/7

Sources of Yumoto Onsen📍 landmark

This geothermal site features hot, sulfurous water bubbling up directly from the marshy ground.

Odashirogahara Wetland🌿 nature

This high-altitude wetland is famous for the 'Lonely Birch Tree' and its vast, seasonally changing grasses.

Yutaki Falls Observation Deck🌿 nature

This platform features a head-on view of the 70-meter high waterfall cascading down a wall of lava.

Yunoko-Yudaki Observation Deck🌿 nature

This viewpoint overlooks the spot where Lake Yunoko plunges into the impressive Yutaki Falls.

Futarayamanoookami🏺 historical

This memorial honors the deity of Mount Futarasan, which has been worshipped as sacred since ancient times.

Fish and Forest Observation Garden🏛 museum

This research center educates visitors about trout and salmon breeding in the waters of Nikko.

🕒 Mo-Su 09:00-16:30

Onsen-ji Temple⛪ religious

At this temple, visitors can bathe in hot thermal springs that are considered both sacred and medicinal.

Anyo no Yu🎡 recreation

This free public foot bath in Nikko Yumoto is fed directly by the local sulfurous springs.

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Sights nearby

Frequently asked questions

What is the altitude of Lake Chuzenji?
It sits at 1,269 meters, making it Japan's highest natural lake.
How was the lake formed?
It was formed about 20,000 years ago by an eruption of Mt. Nantai that dammed the river.
Are there museums there?
Yes, the former summer villas of the Italian and British embassies are now museums.
Can you swim in the lake?
The water is very cold even in summer; however, water sports like canoeing are popular.
How to get from Nikko Station to the lake?
By bus via the spectacular Irohazaka winding road (about 45-50 minutes ride).
Lake Chūzenji: where is it located?
Lake Chūzenji is located in Japan.
Lake Chūzenji: what is there to see?
Highlights include Usagi Shima (Rabbit Island), Sources of Yumoto Onsen, Odashirogahara Wetland.
Lake Chūzenji: when is the best time to visit?
The most pleasant time to visit is May, Jun, Sep.
Lake Chūzenji: why is it worth visiting?
Lake Chūzenji, set in the Nikko National Park in Tochigi Prefecture, is Japan's highest natural lake, situated at an elevation of 1,269 meters.
View on map → The Top 50 Attractions → OpenStreetMap →
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Nearby cities

Utsunomiya — Lake Chūzenji (Japan)
Utsunomiya
Utsunomiya is located in Tochigi Prefecture and is known throughout Japan as the city of gyoza.
Nikko Kinugawa — Lake Chūzenji (Japan)
Nikko Kinugawa
A popular hot spring resort along the Kinugawa River, located near the historic sites of Nikko.
Ikaho Onsen — Lake Chūzenji (Japan)
Ikaho Onsen
A historic hot spring town famous for its 365-step stone staircase and healing thermal waters.
Echigo-Yuzawa — Lake Chūzenji (Japan)
Echigo-Yuzawa
A premier ski and onsen resort town directly accessible by Shinkansen, famous for its heavy snowfall and premium sake.
Chichibu — Lake Chūzenji (Japan)
Chichibu
A charming city in Saitama, famous for its magnificent night festival and stunning mountain scenery.
Nasu — Lake Chūzenji (Japan)
Nasu
A highland resort area featuring volcanoes, hot springs, and an Imperial Villa.
Saitama — Lake Chūzenji (Japan)
Saitama
Saitama is the capital of its namesake prefecture and a major transportation hub north of Tokyo.

History & landmarks

Nikko — Lake Chūzenji (Japan)
Nikko
A UNESCO World Heritage site known for lavishly decorated shrines and the beautiful Nikko National Park.
Ouchi-juku — Lake Chūzenji (Japan)
Ouchi-juku
A preserved Edo-period post town in Fukushima featuring traditional thatched-roof buildings.

More places

Nikkō National Park — Lake Chūzenji (Japan)
Nikkō National Park
A national park famous for its UNESCO World Heritage shrines and temples, mountains, lakes, waterfalls, and hot springs.
Ōizumi Industrial Town — Lake Chūzenji (Japan)
Ōizumi Industrial Town
A town known for its high concentration of factories, particularly Subaru (formerly Fuji Heavy Industries), and its large Brazilian immig…