These links have been updated on 1 August 2020 – Please email the webeditor@www.g1mra.com of any changes or other interesting sites and I will add them to this list.

• ALSRM  – The Association of Larger Scale Railway Modellers.
• Bekonscot – The famous Bekonscot Model Village with G1 model railway.
• EiWi G1 Railway – Switzerland.
• FSMR– Friends of Stapleford Miniature Railway.
• Gauge One in Denmark – David and Axel Clement’s fine G1 railway.
• Gauge One North (Exhibition)
• Gauge One Railway Forum is a discussion group covering all kinds of Gauge One.
• G1MRA Switzerland – The website of the Swiss G1MRA Group.
• Hara Model Train Museum in Yokohama, Japan
• Iden Coach House – Paul Abrams’ G1 website – great videos of this superb line in Kent.
• Mark Wood’s modelling information:  is an excellent survey of Gauge One scales and standards.
• Mehev: runs the Gauge 1 layout at the Hamburg Museum
• MIGO+1  – 7mm and Gauge 1 modern image group.
• Pennula (Hamburg) – site has 30+ Gauge 1 films) 
• Proto 48 Scale 1/4″ to the foot modelling.
• Puget Sound Garden Railway Society
• Sidestreet Bannerworks – An excellent site of G1 interest by Marc Horovitz.
• Steamup.com – ‘Steam in the Garden’ magazine website.
• Spur 1 Group  – G1 enthusiasts group in Germany.
• Spur 1 Freunde – lovely German site
• Sutton MES – Sutton Model Engineering Society (inc. G1 group).
• Station Colours – A valuable resource for those modelling station buildings in the steam era.
• Technik Museum – Sinsheim, Germany.
• The Gauge ‘O’ Guild – All forms of railway modelling in 7mm. scale and on 0 gauge track.
• The Gauge 3 Society –  The 2.5″ gauge large-scale scenic model railway group.
• The Gauge One Yahoo Group – The Yahoo Discussion Group for the exchange of Gauge One ideas.
• The G-Scale Society –  Mainly narrow gauge modelling on G1 45mm track.
• The National 2½ Inch Gauge Association – 2.5″gauge model engineering.
• The 16mm Association – Our friends in The Association of 16mm Narrow Gauge Modellers.
• The Train Collectors Society – For those interested  in all makes and gauges of toy and model trains.
• The Titfield Thunderbolt – Simon Castens’ website with the focus on G1 1:32nd scale modelling.
• Western Thunder is the 1/32 section of a forum dedicated to quality railway modelling in ‘the larger scales’.