The Chichibu Main Line (秩父本線, Chichibu-honsen) is a railway line in Japan, owned by the private railway operator Chichibu Railway, linking Hanyū and Mitsumineguchi, both in Saitama Prefecture.
Legend● - All trains stop○ - Some trains stop▲ - Some trains pass▼ - Trains make seasonal stops| - All trains passAs of 1 April 2016, the Chichibu Railway operates the following fleet of rolling stock on the line.
5000 series 3-car EMUs x3 (formerly Toei 6000 series) (since 1999)6000 series 3-car EMUs x3 (formerly Seibu 101 series) (since March 2006)7000 series 3-car EMUs x2 (formerly Tokyu 8500 series) (since March 2009)7500 series 3-car EMUs x7 (formerly Tokyu 8090 series) (since March 2010)7800 series 2-car EMUs x4 (formerly Tokyu 8090 series) (since 16 March 2013)Class C58 steam locomotive (No. C58 363 for Paleo Express)Four 12 series passenger coaches for Paleo Express (OHaFu 12-101 and 102, OHa 12-111 and 112)DeKi 100 electric locomotives (x6)DeKi 200 electric locomotive (x1)DeKi 300 electric locomotives (x3)DeKi 500 electric locomotives (x7)300 series 2-car EMUs (from 1959 until October 1992)500 series 2-car EMUs (from 1957 until March 1992)800 series 2-car EMUs (formerly Odakyu 1800 series) (from 1979 until 1990)1000 series 3-car EMUs (formerly JNR 101 series) (from 1986 until March 2014)2000 series 4-car EMUs (formerly Tokyu 7000 series) (from 1991 until 2000)3000 series 3-car EMUs x3 (formerly JR East 165 series) (from 1992 until December 2006)43 series passenger coaches (for Paleo Express)The Jōbu Railway (上武鉄道) opened the section between Kumagaya and Yorii on 7 October 1901 operated by the use of steam haulage. The line was extended in stages, reaching Chichibu in 1914. The line was electrified at 1,200 V DC on 15 March 1918. On 1 August 1922, the Chichibu Railway acquired the Hokubu Railway (北武鉄道) operating between Hanyū and Kumagaya. The line reached Mitsumineguchi in 1930.
From 1 February 1952, The line voltage was raised to 1,500 V DC.
Kumagaya Station: The Tobu Kumagaya Line operated between 1943 and 1983. 
