Our first choice is the West Highland Line for the scale and variety of its Highland scenery, followed by Settle–Carlisle for an English upland crossing and the Cambrian Coast for a seaside journey. This ranking is our editorial opinion: we favour sustained landscape, a memorable route and a practical way to make the ride part of a holiday. A short coastal branch can still be the better choice for your available day.
The list combines ordinary scheduled trains and heritage outings. Decide which kind of experience you want before booking. A scheduled service can carry you between towns as part of a wider journey, while a preserved railway or seasonal excursion needs its own calendar and ticket. The Jacobite, for example, shares the Fort William–Mallaig railway with ScotRail but creates a different day. Choosing the landscape alone does not settle which train to buy.
We have included the window preference for each route, with the full guide explaining both directions and any reversals. A named sea, loch or estuary often provides a clear reason to choose one side; open moorland can reward both windows. Use the side as a preference alongside seating together, boarding needs and a clear view through the glass. A reserved seat number does not by itself establish that the window will face the landscape you have in mind.
For the strongest first trip, choose one route and a destination where you want to spend time. Put the scenic section into useful daylight, then decide whether the far end deserves a meal, walk or overnight. The long Highland routes benefit from a stay; St Ives can be a compact part of a Cornish day. Follow the route’s official operator links for the departure and access details, and keep the return journey clear before stepping off to explore. Our rankings help narrow the choice, while the linked guides turn that choice into a workable itinerary.
Frequently asked questions
Which scenic train should a first-time visitor choose?
Our first choice for a longer break is the West Highland Line. For a shorter coastal outing, consider St Ives Bay or Derry–Coleraine. Choose the route that leaves enough time at the destination.
Are these rankings official?
No. They are our editorial preferences, based on landscape variety, the railway experience and how readily the route can form part of a trip. Operator links support the practical facts in the individual guides.
Do the best-side tips apply in both directions?
The linked guides give separate direction cards and explain genuine reversals. Use the named landmark advice for the relevant section; one side is not always best for the entire journey.