C-9 (Cercanías Madrid)
C-9 | |||
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metre gauge | |||
Electrification | 1.5kV DC[2] | ||
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Line C-9, formerly known as the Guadarrama Electric Railway (
History
The railway was first conceived in the 1910s as a means of connecting urban Madrid to the Guadarrama Mountains via the Navacerrada Pass. Construction began in 1919 and the section connecting Cercedilla on the Madrid-Segovia Line with Navacerrada opened on 12 July 1923 as the Guadarrama Electric Railway.
From 1973 to 1975, the entire line was renovated and modernized and the line voltage increased to 1500 V dc.[9] The line was anticipated to continue through the mountains to Segovia, but this plan was abandoned. In 1990, the Guadarrama Electric Railway was incorporated into RENFE's commuter rail network, Cercanías Madrid, and renamed Line C-9. The portion of the line between Navacerrada and Cotos was closed from 2011 to 2012 to undergo renovations.[11]
Rolling stock

The original Swiss built railcars ordered in 1922 remained in service until 1964. Initially there were two motor cars and two trailers with an extra motor car and two trailers being added in 1936. They were replaced by second hand

In 1967 the line acquired a Stadler diesel shunter, fitted with a rotary snowplough, for engineering use on the line. Initially numbered 111 it was renumbered 300-111-2.[7]
On May 6, 2024, the line was closed to undertake comprehensive renovation works that will last an estimated one year.[12] The closure of the infrastructure was used to carry out the withdrawal of the 442 Series, which will be replaced by new trains purchased in 2020.[13]
Preservation
The original Swiss railcar, CN1, is preserved at Cercedilla. A railcar and trailer, CN2 and CNR1, have been preserved at the railway museum in Madrid.[7]
Route
Line C-9's 18.2 km (11.3 mi) route begins at
Stations

Station | Cercanías Madrid transfers | Municipality | Fare zone |
---|---|---|---|
Cercedilla | C-8 | Cercedilla | ![]() |
Puerto de Navacerrada | - | ||
Cotos | - | Real Sitio de San Ildefonso |
Gallery
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Route terminus in Cercedilla
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Navacerrada Pass Station
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Line C-9 passing through pine forest belowSiete Picos
References
- ^ a b c "Estaciones y Líneas". Cercanías Madrid. Renfe. Retrieved 2019-12-29.
- ^ a b "Línia Cercedilla - Cotos". Trenscat (in Spanish). Retrieved 2019-11-19.
- ^ "Cercanías Madrid". www.renfe.com (in Spanish). Retrieved 2017-12-04.
- ^ "Línea C9. Cercanías Madrid Renfe. Cercedilla - Cotos". madrid.es (in Spanish). Retrieved 2017-12-04.
- ^ Macrae, Helen (2015-01-18). "LET'S HIT THE SLOPES! SKI AND SNOWBOARD IN MADRID". Naked Madrid. Retrieved 2019-12-09.
- ISBN 9781846702976.
- ^ ISBN 0 901096 88-1.
- ^ "Ferrocarril Eléctrico de Cercedilla al Puerto de Guadarrama (Navacerrada)". Ferrocarriles de España (in Spanish). 2012-05-06. Retrieved 2019-11-19.
- ^ ISBN 1 871980 25 9.
- ^ a b "El Ferrocarril Eléctrico del Guadarrama (y XIII)". Historias matritenses (in Spanish). 2013-12-05. Retrieved 2019-11-19.
- ^ "La línea C-9 de Cercanías entre Cercedilla y Cotos retoma su servicio habitual a partir del día 17" (in Spanish). Europa Press. 2012-06-11. Retrieved 2019-11-19.
- ^ Telemadrid (2024-05-05). "Cierra la línea C9 Cercedilla-Cotos para afrontar su renovación". Telemadrid (in Spanish). Retrieved 2025-04-09.
- ^ "Los tres últimos meses del clásico tren 'suizo' de Renfe en la línea Cotos-Cercedilla". 20 Minutos.