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Yakumo
	273 series train Yakumo
Overview
Service type	Limited express
First service	1972
Current operator(s)	JR West
Route
Termini	Okayama; Izumoshi
Stops	11
Service frequency	15 return workings daily
Line(s) used	Sanyo Main Line; Hakubi Line; Sanin Main Line;
Technical
Rolling stock	273 series EMU;

381 series Carriage interior (Nov 2018).

381 series Yakumo pulls into a station (Dec 2018).

The Yakumo (やくも) is a limited express train service in Japan operated by West Japan Railway Company (JR West), which runs from Okayama to Yonago, Matsue and Izumo in Shimane Prefecture.

This limited express train connects Okayama with Yonago in 2 hours, Okayama with Matsue in 2 hours and 30 minutes, and Okayama with Izumoshi in 3 hours. It stops at Okayama, Kurashiki, Sōja, Bitchū-Takahashi, Niimi, Shōyama, Yonago, Yasugi, Matsue, Tamatsukuri-Onsen, Shinji, and Izumoshi.

Rolling stock

KiHa 181 series DMUs (from March 1972, until July 1982)^{[citation needed]}
381 series EMUs (from July 1982 until 15 June 2024^[3]) (4-, 6-, or 9- car formations^{[citation needed]})

Services are formed as shown below:^[1]

Car No.	1		2	3	4
Accommodation	Green	Reserved	Reserved	Reserved	Reserved
Notes		Semi-compartment seats		Wheelchair-accessible seat

Car No.	1	2	3	4
Accommodation	Green	Reserved	Reserved	Reserved

The Yakumo service was first introduced on 22 September 1959, as a semi-express service operating between Yonago and Hakata in Kyushu.^[4]

^ ^a ^b ^c "Yakumo vehicle information". JR Odekake Net (in Japanese). West Japan Railway Company. Retrieved 7 April 2024.
^ JR西日本，273系“やくも”の運転を4月6日から順次開始 [JR West to introduce new 273 series "Yakumo" trains from 6 April]. Japan Railfan Magazine (in Japanese). Japan: Koyusha. 15 December 2023. Retrieved 5 April 2024.
^ "「国鉄特急型電車」定期運用は終焉へ 381系約50年の生涯を振り返る!" [Regular service of the "Japanese National Railways Limited Express train" comes to an end - looking back at the 50-year life of the 381 series!]. RM News (in Japanese). Japan: Neko Publishing. 15 June 2024. Retrieved 16 June 2024.
^ 列車名鑑1995 [Train Name Directory 1995]. Japan: Railway Journal. August 1995. p. 130.