The alignment of the Dinas Branch, and slate company lines at Glan-y-Pwll/Blaenau Ffestiniog has changed a number of times over the past 170 years, and therefore it is prudent to split it into 4 distinct pages
- Dinas Branch 1836 for a look at the line below Dinas Station up to 1899
- Dinas Branch 1899 for a look at the line below Dinas Station from 1899
- Dinas Branch Above Station for a look at the line above Dinas Station from 1836.
- Dinas Branch 1976 A plan not (yet) carried out for a new line (partly on the 1836 line) to Quarry Tours Ltd.
A set of development maps have been provided for the area, mainly in relation to the quarries, by Graham Isherwood. See them here
Live Maps there is a composite overview of the area at maps.live.com - best viewed in Hybrid mode