Editing Heritage railway (section)

=== Argentina ===
[[Image:Tren a las nubes cruzando Viaducto la Polvorilla.jpg|thumb|alt=Orange, yellow and white train crossing a ravine|[[Tren a las Nubes]] (Train to the Clouds) crossing the Polvorilla viaduct in [[Salta Province]]]]
[[La Trochita]] (officially Viejo Expreso Patagónico, the Old Patagonian Express) was declared a [[List of National Historic Monuments of Argentina|National Historic Monument]] by the [[Government of Argentina]] in 1999.<ref>[http://www.clarin.com/diario/1999/04/23/e-03901d.htm 'El Kavanagh, entre los protegidos'] {{Webarchive|url=https://web.archive.org/web/20091202074246/http://www.clarin.com/diario/1999/04/23/e-03901d.htm |date=2009-12-02 }}, [[Clarín (Argentine newspaper)|''Clarín'']], 1999-04-23 (Spanish)</ref> Trains on the [[Patagonia]]n {{Track gauge|750mm|lk=on}} [[narrow-gauge railway]] use steam locomotives. The {{convert|402|km|mi|adj=mid|-long}} railway runs through the foothills of the [[Andes]] between [[Esquel]] and [[El Maitén]] in [[Chubut Province]] and [[Ingeniero Jacobacci]] in [[Río Negro Province]].

In southern Argentina, the [[Train of the End of the World]] to the [[Tierra del Fuego Province (Argentina)|Tierra del Fuego]] National Park is considered the world's southernmost functioning railway. Heritage railway operations started in 1994, after restoration of the old {{Track gauge|500mm|lk=on}} (narrow-gauge) [[steam locomotive|steam railway]].

In [[Salta Province]] in northeastern Argentina, the [[Tren a las Nubes]] (Train to the Clouds) runs along {{convert|220|km|mi|abbr=on}} of {{Track gauge|1000mm|allk=on}} track in what is one of the [[List of highest railways in the world|highest railways in the world]]. The line has 29 bridges, 21 tunnels, 13 viaducts, two [[Spiral (railway)|spirals]] and two [[Zig zag (railway)|zigzags]], and its highest point is {{convert|4,220|m}} above sea level.

In the [[Misiones Province]], more precisely in the Iguazú National Park, is the Ecological Train of the Forest. With a speed below 20&nbsp;km per hour to avoid interfering with wildlife and the formations are propelled to [[liquefied petroleum gas]] (LPG), a non-polluting fuel.<ref>{{Cite web |url=https://iguazuargentina.com/es/atractivos/tren-ecologico-de-la-selva |title=Iguazu Argentina |access-date=2020-02-23 |archive-date=2020-02-23 |archive-url=https://web.archive.org/web/20200223034438/https://iguazuargentina.com/es/atractivos/tren-ecologico-de-la-selva |url-status=dead }}</ref>

The [[Villa Elisa Historic Train]] (operated by Ferroclub Central Entrerriano) runs steam trains between the cities of [[Villa Elisa, Entre Ríos|Villa Elisa]] and [[Caseros, Entre Ríos|Caseros]] in [[Entre Ríos Province]], covering {{convert|36|km|mi|abbr=on}}<ref>[http://www.girasolhosteria.com.ar/tren-historico-de-villa-elisa.php Tren turístico de Villa Elisa] {{webarchive|url=https://web.archive.org/web/20150606204007/http://www.girasolhosteria.com.ar/tren-historico-de-villa-elisa.php|date=2015-06-06}} on Girasol Hostería</ref> in 120 minutes.<ref>[http://www.clarin.com/todoviajes/Trenes-turisticos_0_1363063685.html "15 trenes turísticos de la Argentina"], ''Clarín'', 24 May 2015</ref>