| Date | Location | Event Description | Details |
| 18th March 2012 | Talyllyn Railway | Mothering Sunday Lunches & Teas | |
| 29th March 2012 | Talyllyn Railway | Locals Day ALL Welcome | |
| 8th April 2012 | Talyllyn Railway | Easter Bunny at the Talyllyn Railway | |
| 26th & 27th May 2012 | Welshpool & Llanfair Light Railway | Vintage Passenger Train | |
| 7th June 2012 | Talyllyn Railway | Children's Duncan Day | |
| 14th June 2012 | Talyllyn Railway | Victorian Train Service | |
| 17th June 2012 | Talyllyn Railway | Fathers Day Lunches & Teas | |
| 21st June 2012 | Talyllyn Railway | Victorian Train Service | |
| 23rd & 24th June 2012 | Welshpool and Llanfair Light Railway | Vintage Passenger Train | |
| 28th June 2012 | Talyllyn Railway | Victorian Train Service | |
| 30th June & 1st July 2012 | Talyllyn Railway | Have-A-Go Gala Weekend | |
| 5th July 2012 | Talyllyn Railway | Victorian Train Service | |
| 12th July 2012 | Talyllyn Railway | Victorian Train Service | |
| 19th July 2012 | Talyllyn Railway | Victorian Train Service | |
| 21st & 22nd July 2012 | Welshpool and Llanfair Light Railway | Vintage Passenger Train | |
| 31st July 2012 | Talyllyn Railway | Evening Teamed Train | |
| 2nd August 2012 | Talyllyn Railway | Teddy Bears Picnic | |
| 3rd August 2012 | Talyllyn Railway | Fish & Chip Specials | |
| 4th & 5th August 2012 | Talyllyn Railway | Tom Rolt Rally & Vintage Rally |
| 7th August 2012 | Talyllyn Railway | Evening Teamed Train | |
| 10th August 2012 | Talyllyn Railway | Fish & Chip Specials | |
| 11th & 12th August 2012 | Welshpool and Llanfair Light Railway | Vintage Passenger Train | |
| 14th August 2012 | Talyllyn Railway | Evening Teamed Train | |
| 14th & 16th August 2012 | Talyllyn Railway | Craft Fair at Abergynolwyn Station | |
| 17th August 2012 | Talyllyn Railway | Fish & Chip Specials | |
| 18th August 2012 | Talyllyn Railway | Race the Train Day (Limited Public Service) | |
| 21st August 2012 | Talyllyn Railway | Evening Teamed Train | |
| 23rd August 2012 | Talyllyn Railway | Children's Duncan Day | |
| 24th August 2012 | Talyllyn Railway | Fish & Chip Specials | |
| 25th August 2012 | Talyllyn Railway | Volunteers Showcase Gala | |
| 26th August 2012 | Talyllyn Railway | Series One Land Rover Rally | |
| 28th August 2012 | Talyllyn Railway | Evening Teamed Train | |
| 31st August 2012 | Talyllyn Railway | Fish & Chip Specials | |
| 1st & 2nd September 2012 | Welshpool & Llanfair Light Railway | Annual Steam Gala Weekend | |
| 6th September 2012 | Talyllyn Railway | Victorian Train Service | |
| 13th September 2012 | Talyllyn Railway | Victorian Train Service | |
| 20th September 2012 | Talyllyn Railway | Victorian Train Service | |
| 27th September 2012 | Talyllyn Railway | Victorian Train Service | |
| 25th & 26th October 2012 | Talyllyn Railway | Halloween Specials |
| 27th October 2012 | Talyllyn Railway | The Big Draw at the Talyllyn |