List of tunnels in Japan

File:Seikan Tunnel entrance - dual-gauge track.jpg

Seikan undersea tunnel entrance on Honshu side.

File:Kanmon-tunnel.jpg

The first undersea Kanmon Railway Tunnel between Honshu and Kyushu islands built in 1936 - 1942.

This list of tunnels in Japan includes any road, rail or waterway tunnel in Japan.

Tunnel	Opening	Start location	End location	Note
Seikan Tunnel - Kaikyō Line	13 March 1988	Honshu	Hokkaido	the second longest railway tunnel in the world (~53.85 km)
Tsugaru Tunnel - Tsugaru-Kaikyō Line		Sotogahama-cho in Aomori	Imabetsu-cho in Aomori	~5.88 km
Ichinoseki Tunnel - Tōhoku Shinkansen	1982	Ichinoseki Station		9.730 km
Iwate-Ichinohe Tunnel - Tōhoku Shinkansen	2002	Morioka, Iwate	Hachinohe, Aomori
Fukushima Tunnel - Tōhoku Shinkansen
Nasu Tunnel - Tōhoku Shinkansen	1982			7.030 km
Sannohe Tunnel - Tōhoku Shinkansen	2002	Ninohe Station	Hachinohe Station	8.250 km
Zaō Tunnel - Tōhoku Shinkansen
Daishimizu Tunnel - Jōetsu Shinkansen	1982	Gunma Prefecture	Niigata Prefecture
Shimizu Tunnel - Jōetsu Line		Gunma Prefecture	Niigata Prefecture
Shin-Shimizu Tunnel - Jōetsu Line
Tsukiyono Tunnel - Jōetsu Line				7.295 km
Haruna Tunnel - Jōetsu Shinkansen
Nakayama Tunnel - Jōetsu Shinkansen
Shiozawa Tunnel - Jōetsu Shinkansen
Uonuma Tunnel - Jōetsu Shinkansen
Bentenyama Tunnel - Tōkaidō Shinkansen	1963			1.316 km
Horikoshi Tunnel - Tōkaidō Shinkansen	1963			1.415 km
Izumigoshi Tunnel - Tōkaidō Shinkansen	1963			3.193 km
Kanbara Tunnel - Tōkaidō Shinkansen	1968			4.934 km
Makinohara Tunnel - Tōkaidō Shinkansen	1968			2.917 km
Nangosan Tunnel - Tōkaidō Shinkansen	1961			5.170 km
Tanna Tunnel - Tōkaidō Shinkansen	1934	Tokyo	Kobe
Shin-Tanna Tunnel (parallel to old Tanna Tunnel) - Tōkaidō Shinkansen
Nihonzaka Tunnel (rail) - Tōkaidō Shinkansen
Otowayama Tunnel - Tōkaidō Shinkansen				5.045 km
Yui Tunnel - Tōkaidō Shinkansen	1968			3.993 km
Haneda Tunnel - Tōkaidō Freight Line	1973			6.472 km
Aioi Tunnel - Sanyō Shinkansen				3.988 km
Aki Tunnel - Sanyō Shinkansen
Fukuoka Tunnel - Sanyō Shinkansen	1975			8.488 km
Hosaka Tunnel - Sanyō Shinkansen	1975			7.588 km
Kitakyushu Tunnel - Sanyō Shinkansen	1975			11.747 km
Kobe Tunnel - Sanyō Shinkansen	1972	Shin-Kobe Station	Nishi-Akashi Station	7.970km
Kanmon Tunnel - Sanyō Main Line	1942	Shimonoseki, Yamaguchi	Kitakyūshū, Fukuoka
Shin-Kanmon Tunnel - Sanyō Shinkansen
Rokko Tunnel - Sanyō Shinkansen
Shin-Noborikawa Tunnel - Sekishō Line
Shin-Karikachi Tunnel - Nemuro Main Line
Senzan Tunnel - Senzan Line
Sengan Tunnel for #46 Road & JR Sengan Tunnel for Akita Shinkansen (Tazawako Line)
Rokujurigoe Tunnel - Tadami Line
Sasago Tunnel - Chūō Expressway	1977	Ōtsuki, Yamanashi	Kōshū, Yamanashi
Enrei Tunnel - Chūō Main Line	1983	Okaya, Nagano	Shiojiri, Nagano	~5.994 km
Ohara Tunnel - Iida Line
Akima Tunnel - Hokuriku Shinkansen	1997	Takasaki	Karuizawa	8.295 km
Gorigamine Tunnel - Hokuriku Shinkansen	1997	Ueda	Chikuma	15.175 km
Hokuriku Tunnel - Hokuriku Line
Kubiki Tunnel - Hokuriku Line
Nagasaki Tunnel - Nagasaki Main Line
Masaki Tunnel - Sanriku Railway
Akakura Tunnel - Hokuhoku Line
Nabetateyama Tunnel - Hokuhoku Line
Yakushitoge Tunnel - Hokuhoku Line
Kirigatake Tunnel - Hokuhoku Line
Karisaka Tunnel	1998	Chichibu, Saitama	Yamanashi, Yamanashi
Shin-Kobe Tunnel (expressway)	2012	Kobe city	Minoya Junction	8.5 km length
Yumesaki Tunnel	2009	Sakishima island	Yumeshima island, Osaka	2.138 km length
Kan-Etsu Tunnel - Kan-Etsu Expressway	1991	Minakami, Gunma	Yuzawa, Niigata	the longest road tunnel in Japan (~11 km)
Hida Tunnel - Tōkai-Hokuriku Expressway	2008	Hida city, Gifu	Shirakawa village, Gifu	the second-longest road tunnel in Japan (~10.7 km)
Tokyo Bay Aqua-Line bridge-tunnel	18 December 1997	Kawasaki, Kanagawa	Kisarazu, Chiba	the third-longest road tunnel in Japan
Enasan Tunnel - Chūō Expressway	1985	Nagano	Nakatsugawa City, Gifu	the fourth-longest road tunnel in Japan (~8.6 km)
Ikuta Tunnel - Musashino Line	1976	Ikuta Station		10.359 km

See also

• List of tunnels by location