If you look at the journey preamble, Clackmannan and Kennet is the final station on this journey, which is not the case yet. After we left the Devon Valley Railway, there were still two further lines to be traversed:-
Stirling and Dunfermline Railway
Kincardine and Dunfermline Railway.
The last named station was Alloa (NBR), so going down the Stirling and Dunfermline Railway, the first closed station is....
Clackmannan Road