Seikan Tunnel Museum(Seikan Tunnel Museum)

Visit a mysterious undersea world 140 meters below sea level

Enjoy the entire Seikan Tunnel, the world's longest undersea tunnel, which was first conceptualized in 1946 and took about 42 years to build. 

The museum exhibits the story of the tunnel from its conception to completion through sound and images, information panels, and 3D models. 

The "Mogura-go" cable car takes you 140 meters below sea level to the "Experience Tunnel," which is a must-see. 

The tunnel is located in a corner that was used as a work pit for tunnel construction. The machines and equipment used for excavation are on display, giving visitors a taste of what it was like to work there. 

Visitors can also learn how the tunnel was dug and how it was completed through easy explanations on panels and audio. 

Inside the facility is seafood restaurant Ajisai, a store full of original Seikan Tunnel Museum goods, and a souvenir corner.

■The exhibition hall displays a variety of technologies and construction methods, including advanced boring technology, injection technology, and sprayed concrete technology. 

■The gallery exhibits a variety of materials related to the Seikan Tunnel, including its history, structure, and the equipment that was actually used. 

■The Tunnel Theater shows a magnificent drama of the people who passionately dug the tunnel under the sea for many years. 

■The cable car ""Mogura-go"" will take you to a world 140 meters below sea level. 

■Enjoy a variety of seafood at restaurant Ajisai including sashimi set meals, seafood rice bowls, ramen noodles, and soba noodles.

General Information

Admission to the Exhibition Hall: Adult 400 yen, Child (elementary school students) 200 yen
Cable car ticket: Adult 1,200 yen, Child (elementary school students) 600 yen
Set price (admission to the Exhibition Hall + cable car ticket): Adult 1,500 yen, Child 750 yen
Opening Times
Closed early November to mid-April (as of January 2020)
90 minutes by car from Aomori Interchange
30 minutes by Sotogahama town bus from JR Minmaya Station
Car Park
Free of charge
Large buses: 21 cars
Standard size cars: 178 cars
Handicapped parking spaces: 2 cars
Official Website
Seikan Tunnel Museum
Experience Tunnel 45 minutes
Exhibition hall tour 10-15 minutes


Seikan Tunnel Museum, General Incorporated Foundation
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