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World most extreme places

Seikan tunnel, Japan

From series “The Greatest Tunnels in the World”
Year: 1988.

Railway tunnels are of no less significance to travellers. Japan is famous for its longest undersea tunnel in the world named Seikan. The Seikan Tunnel is 53850 metres long which makes travelling underground by train incredibly interesting. Seikan is an undersea tunnel. Its construction began in 1946 in order to connect Japan’s main island of Honshu with the island of Hokkaido.

Seikan tunnel, Japan It took more than 40 years to build the enormous underground passage. The tunnel was opened on 13 March 1988. It required tremendous efforts and more than 3, 5 billion dollars to construct. The Seikan tunnel is a unique-architecture object although its construction was complete more than 20 years ago.

The Seikan descends to a depth of 240 metres. More than 2 million people use it annually. However, modern equipment systems are failing to provide complete leakproofness. The tunnel is constantly leaking and there exists a special system of pumps for pumping water. Since there is a probability of earthquakes the tunnel has been equipped with seismological detectors which record the slightest fluctuations in the earth. The Seikan tunnel also includes special platforms for emergency stops and shelters fully equipped with medical supplies and food. Next - Euro Tunnel


Laerdal tunnel, Norway Laerdal tunnel, Norway
  Laerdal tunnel, Norway   Euro Tunnel, United Kingdom - France  
Euro Tunnel, United Kingdom - France Euro Tunnel, United Kingdom - France

Seikan tunnel - interactive map


Nearest airports:
 »  Hakodate Airport HKD - in 72 km
 »  Okadama Airport OKD - in 227 km
 »  Asahikawa Airport AKJ - in 321 km
 Cities nearby

Best hotels near Seikan tunnel

Smile Hotel Aomori

Located in 45 km from Seikan tunnel
Route on the map:
Rooms: 114
Guest rooms come with a flat-screen TV, a small fridge and free wired internet. Free green tea bags and an electric kettle are also provided. The en … More: photo, rates and booking
Yanagi No Yu

Located in 46 km from Seikan tunnel
Route on the map:
Rooms: 20
Rooms at Yanagi No Yu Inn have sliding paper screens, wall hangings and a seating area with floor cushions. Guests sleep in Japanese futon bedding on … More: photo, rates and booking
Hotel Route-Inn Aomori Chuo Inter

Located in 49 km from Seikan tunnel
Route on the map:
Rooms: 198
Modern rooms feature air conditioning, a fridge and an en suite bathroom. Green tea can be made using the electric kettle and a safety deposit box is … More: photo, rates and booking
the Hotel's Villacity Moya

Located in 56 km from Seikan tunnel
Route on the map:
Rooms: 39
Inspired by Japanese simplicity and minimal design, rooms are decorated with light-coloured furnishings and fitted with a flat-screen TV, a fridge … More: photo, rates and booking

Nearest unique sightseeing spots to visit

Museum of Snowflakes
376 km - Museum of Snowflakes
One is accustomed to see the old paintings, the archaeological artefacts and the other antiques among the museum expositions. A very original collection is presented in one of the Japanese museums, which is located on the island of Hokkaido. Its main features are the …
Takinoue Park
398 km - Takinoue Park
On the island Hokkaido in Japan is the beautiful park Takinoue. It is located not far from Asahikava. The tiny pink flowers Schibazakura serve as the main ornament of the magnificent park with the area of ​​100 sq km. The strange landscape park looks like a giant …
Masyukok Lake
428 km - Masyukok Lake
In Japan, on the territory of Hokkaido Island, is situated one more crystal clear lake – Mashu. It is located in Akan National Park. The lake is surrounded by the wonderful mountain ranges and is densely forested. This crystal-clear lake had formed in a cauldron of …
Fukushima Daini Nuclear Plant
431 km - Fukushima Daini Nuclear Plant
The accident that occurred at the notorious nuclear power plant Fukushima-1 is considered the most long-lasting and large-scale in the history of the mankind. Due to the earthquake, three reactors were damaged. There was a huge-scale radiation leak; the radiation has …
Dai-Shimizu tunnel
491 km - Dai-Shimizu tunnel
Japan is truly the world leader in the number and diversity of tunnels. Dai-Shimizu railway tunnel deserves particular attention among them. The tunnel runs between the cities of Tokyo and Niigata, its length is 22200 metres. The first train passed through the tunnel …
Toilet at Madarao-Kogen
516 km - Toilet at Madarao-Kogen
The hotel Madarao-Kogen is located on the popular ski resort Madarao Kogen, which is located in the Iiyama district, admiring visitors with the original thematic design of the toilet. Sitting on the cobblestone, you can notice that the walls and the door are decorated …
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