Jalur Ōito (大糸線code: ja is deprecated , Ōito-sen) adalah jalur kereta api di Jepang yang menghubungkan Stasiun Matsumoto di Prefektur Nagano dengan Stasiun Itoigawa di Prefektur Niigata. Ada dua operator di jalur itu: East Japan Railway Company (JR East) mengoperasikan bagian selatan Stasiun Minami-Otari di Otari, Prefektur Nagano, dan West Japan Railway Company (JR West) mengoperasikan bagian yang tersisa.

Jalur

Operator, layanan:
- East Japan Railway Company (Layanan dan jalur)
  - Matsumoto — Minami-Otari: 70.1 km
- West Japan Railway Company (Layanan dan jalur)
  - Minami-Otari — Itoigawa: 35.3 km
Station:
- JR East: 34
- JR West: 8 termasuk Itoigawa, tidak termasuk Minami-Otari
Bagian yang dilacak dua kali: Tidak ada
Elektrifikasi: Matsumoto - Minami-Otari (1,500 V DC)
Railway signalling:
- Matsumoto — Itoigawa: Halte Kereta Otomatis, tipe-S

Layanan

Hingga Maret 2017^[update], layanan berikut masih dioperasikan.

Nam	Melalui dari atau kemana	Mulai	Berakhir	Frekuensi layanan (harian)
Limited Express Azusa	Chiba/Shinjuku	Matsumoto	Minami-Otari	perjalanan pulang
Limited Express Azusa	Shinjuku	Matsumoto	Hakuba	musiman^[1]
Limited Express Shinano	Nagoya	Matsumoto	Hakuba	musiman
Rapid Moonlight Shinshu	Shinjuku	Matsumoto	Hakuba	musiman
Rapid Resort View Furusato	Nagano	Matsumoto	Minami-Otari	musiman^[2]
Rapid	Kami-Suwa	Matsumoto	Shinano-Ōmachi	1 kali perjalnan
Rapid	-	Shinano-Ōmachi	Minami-Otari	1 kali perjalanan

Lokal: Matsumoto – Shinano-Ōmachi: setiap 30-60 menit; Shinano-Ōmachi – Minami-Otari: sekit 60-180 menit.

All stations are within Nagano Prefecture.

A: Limited Express Azusa

B: Limited Express Shinano

C: Rapid Moonlight Shinshu

D: Rapid Resort View Furusato

E: Rapid

Trains stop at stations marked "O", skip at stations marked "|".

No.	Stasium	Jepang	Distrik(km)		A	B	C	D	E	Pindahan	Lokasi
No.	Stasium	Jepang	Between stations	Total	A	B	C	D	E	Pindahan	Lokasi
42	Matsumoto	松本	-	0.0	O	O	O	O	O	■ Jalur Shinonoi ■ Alpico Kōtsū Jalur Kamikōchi	Matsumoto
41	Kita-Matsumoto	北松本	0.7	0.7	\|	\|	\|	\|	O
40	Shimauchi	島内	1.9	2.6	\|	\|	\|	\|	O
39	Shimatakamatsu	島高松	1.2	3.8	\|	\|	\|	\|	O
38	Azusabashi	梓橋	1.4	5.2	\|	\|	\|	\|	O		Azumino
37	Hitoichiba	一日市場	1.6	6.8	\|	\|	\|	\|	O
36	Nakagaya	中萱	1.6	8.4	\|	\|	\|	\|	O
35	Minami-Toyoshina	南豊科	2.0	10.4	\|	\|	\|	\|	O
34	Toyoshina	豊科	1.0	11.4	O	O	O	\|	O
33	Hakuyachō	柏矢町	2.8	14.2	\|	\|	\|	\|	O
32	Hotaka	穂高	2.0	16.2	O	O	O	O	O
31	Ariake	有明	2.2	18.4	\|	\|	\|	\|	O
30	Azumi-Oiwake	安曇追分	1.5	19.9	\|	\|	\|	\|	O
29	Hosono	細野	2.9	22.8	\|	\|	\|	\|	\|		Matsukawa, Distrik Kitaazumi
28	Kita-Hosono	北細野	1.0	23.8	\|	\|	\|	\|	\|
27	Shinano-Matsukawa	信濃松川	2.2	26.0	\|	\|	\|	O	O
26	Azumi-Kutsukake	安曇沓掛	1.6	28.6	\|	\|	\|	\|	\|		Ōmachi
25	Shinano-Tokiwa	信濃常盤	2.3	30.9	\|	\|	\|	\|	O
24	Minami-Ōmachi	南大町	3.1	34.0	\|	\|	\|	\|	\|
23	Shinano-Ōmachi	信濃大町	1.1	35.1	O	O	O	O	O
22	Kita-Ōmachi	北大町	2.1	37.2	\|	\|	\|	\|	\|
21	Shinano-Kizaki	信濃木崎	2.2	39.4	\|	\|	\|	\|	O
20	Inao	稲尾	2.2	41.6	\|	\|	\|	\|	\|
19	Uminokuchi	海ノ口	1.3	42.9	\|	\|	\|	\|	\|
18	Yanaba	簗場	3.4	46.3	\|	\|	\|	\|	O
17	Yanabaskijōmae (seasonal)	ヤナバスキー場前	1.6	47.9	\|	\|	\|	\|	\|
16	Minami-Kamishiro	南神城	4.9	52.8	\|	\|	\|	\|	\|		Hakuba, Kitaazumi District
15	Kamishiro	神城	2.4	55.2	\|	O	O	\|	O
14	Iimori	飯森	1.5	56.7	\|	\|	\|	\|	\|
13	Hakuba	白馬	3.0	59.7	O	O	O	O	O
12	Shinano-Moriue	信濃森上	1.9	61.6	\|			\|	O
11	Hakuba-Ōike	白馬大池	3.8	65.4	\|			\|	\|		Otari, Kitaazumi District
10	Chikuni	千国	3.4	68.7	\|			\|	\|
9	Minami-Otari	南小谷	1.4	70.1	O			O	O

Station	Japanese	Distance(km)		Transfers	Location
Station	Japanese	Between stations	Total	Transfers	Location
Minami-Otari	南小谷	-	70.1		Otari, Nagano
Nakatsuchi	中土	4.0	74.1
Kita-Otari	北小谷	4.4	78.5
Hiraiwa	平岩	5.5	85.0		Itoigawa, Niigata
Kotaki	小滝	6.8	91.8
Nechi	根知	3.6	95.4
Kubiki-Ōno	頸城大野	4.9	100.3
Himekawa	姫川	1.9	102.2
Itoigawa	糸魚川	3.2	105.4	Hokuriku Shinkansen Jalur ETR Nihonkai Hisui

↑ "Time Table - Limited Express trains on the Chuo Line". East Japan Railway Company. Diarsipkan dari asli tanggal 2019-05-21. Diakses tanggal March 6, 2017.
↑ "JR Oito Line / Trip to Hakuba / Resort View Furusato". East Japan Railway Company, Nagano Division. Diarsipkan dari asli tanggal 2017-03-06. Diakses tanggal March 6, 2017.

Wikimedia Commons memiliki media mengenai Ōito Line.

l b s Jalur JR East
Shinkansen	Hokuriku Jōetsu Tōhoku Akita Yamagata
Jalur Utama	Chūō Ōu Shin'etsu Sōbu Tōhoku Tōkaidō Uetsu
Jalur Komuter/Lokal	Agatsuma Aterazawa Ban'etsu Timur Ban'etsu Barat Echigo Gonō Hachikō Hachinohe Hakushin Hanawa Iiyama Ishinomaki Itō Itsukaichi Jōban Jōetsu Kamaishi Karasuyama Kashima Kawagoe Keiyō Kesennuma Kitakami Koumi Kururi Mito Musashino Nambu Narita Negishi Nikkō Ōfunato Oga Ōito Ōme Ōminato Rikuu Timur Rikuu Barat Ryōmō Sagami Senseki Senzan Shinonoi Sotobō Suigun Tadami Takasaki Tazawako Tōgane Tsugaru Tsurumi Uchibō Utsunomiya Yahiko Yamada Yamanote Yokohama Yokosuka Yonesaka
Jalur Lainnya	Chūō Rapid Chūō-Sōbu Gala-Yuzawa Keihin-Tōhoku Saikyō (termasuk Akabane) Senseki-Tōhoku Shōnan-Shinjuku Sōbu Rapid Ueno-Tōkyō Aoimori Hachinohe Hachinohe Rinkai

Basis data pengawasan otoritas	VIAF

Sumber data: id.wikipedia.org via REST API v1