Updated 2026
Iconic Routes
The Glacier Express (St. Moritz to Zermatt, 8 hours, scenic Swiss Alps, first-class only but includes all-day dining): This is the most famous train in Europe. Book way ahead (4+ weeks for summer); it's not just tourists, it's a pilgrimage. Your Eurail Pass covers the base fare; the dining car is a la carte. Go in June or September for fewer crowds and better light.
The Bergen Railway (Oslo to Bergen, 7 hours, stunning Norwegian fjords and mountains): Less touristy than Glacier Express, equally gorgeous. Your pass covers it; no reservation needed. This is a real commuter train with regular people, not just tour groups. Stay overnight in Bergen, which sits on the Geirangerfjord doorstep. Best in May or September.
Cinque Terre (La Spezia to Monterosso, 10 minutes, five cliffside villages): Not a scenic journey itself, but the gateway. Hike between the villages (2-3 hours between each) and return by train at day's end. Your pass covers this short hop. Stay in La Spezia or one of the villages for 2 nights to explore properly.
Rhine Valley (Cologne to Mainz, 3 hours, castles and vineyards, mostly day trips): This isn't a single train; it's a region. Take regional trains along the Rhine and pause at Bingen, Assmannshausen, Rudesheim. Your pass covers every hop. Stay in Cologne 2 nights, then move. Go in April-May or September for wine festivals and good weather.
Scottish Highlands (Inverness to Kyle of Lochalsh, 2.5 hours, mountains and lochs): The Caledonian Sleeper gets you to Inverness; then daytime regional trains explore the highlands. No reservations needed. Packing it all: Glasgow 2 nights, Inverness 2 nights, then west to Kyle. Best in June-August when days are long (it's light until 10 PM).
Underrated Routes
The Balkans (Belgrade-Budapest-Ljubljana, multi-day hops): Night trains connect these cities cheaply. Your pass covers the trains; the scenery is underrated and few tourists clog it. Budget €15-40 per night for hostels. Go in May or September to avoid summer heat. Prague-Vienna-Budapest is overdone; skip it and go Bucharest-Sofia-Belgrade instead.
Portugal Douro Valley (Porto to Pinhao, 3.5 hours, steep terraces and vineyard trains): A real working wine route with vintage wooden trains. Not all trains are tourism-focused; some are commuter trains. Your pass covers this. Stay in Porto 2 nights, then Pinhao for the valley. June-September for warmth.
Bernina Express Alternative (Instead of the famous red train, take the regular regional line from St. Moritz to Tirano on your pass, then hike back): The Bernina is Instagram-famous and rammed. The regular regional train takes the same route, isn't reserved, and you get the same views for free. Hike back the next day. Do it in September when summer crowds clear.
Eastern Germany (Berlin-Gorlitz-Prague, regional trains through small towns, affordable and genuine): Skip the tourist trail and ride regional trains through Silesian forests. Beer halls and bakeries instead of tour groups. Your pass covers everything. Spring or fall for mild weather and empty platforms.
Slovenia-Croatia (Ljubljana-Split, 10 hours straight, mostly coastal and canyons): This is a legitimate journey (not just a day trip), so book overnight or split it. Your pass covers it. Underrated because everyone flies to Split; the train journey is the journey. Summer for swimming in Adriatic stops; May or September for fewer crowds.
Itinerary Ideas by Trip Length
1 Week: London-Paris-Amsterdam-Berlin-back to London. One night per city, mostly flying back (or London-Paris by Eurostar, then flight home). This is proof-of-concept for rail; you'll love it and plan bigger next time.
2 Weeks: Paris-Amsterdam-Berlin-Prague-Vienna-Budapest-Bucharest-back to Paris by flight. Sleep train from Paris to one Central Europe hub; regional trains for the rest. Two nights per city. This is the sweet spot, enough time to breathe, see the sights, and get a feel for each place. Your Eurail Global 10-day flexi covers most of it.
3 Weeks: Add a Swiss Alps detour (Zurich-Interlaken-Zermatt-Chamonix) or a Mediterranean coastal route (Venice-Ljubljana-Dubrovnik-Athens). Longer stays in each city (2-3 nights). One or two night trains. This is when trains become a lifestyle, not logistics.
1 Month: You can do the Balkans properly (Sofia-Belgrade-Bucharest deep dive), Scandinavia (Copenhagen-Oslo-Stockholm circuit), or Portugal-Spain-France a leisurely loop. Or focus on one region (say, Switzerland-Austria-Czech Republic) and do it thoroughly. Three nights minimum per city; some hubs get 4-5 nights. Night trains aren't a hack; they're part of the rhythm.
Routes by Vibe
Scenery obsessed: Glacier Express, Bergen Railway, Rhine Valley, Bernina, Cinque Terre. These routes exist for the views, and you won't be disappointed.
City-hopping culture: Paris-Berlin-Vienna-Prague loop. Each city is distinct, 2 nights each, regional trains connect them, and you get a feel for Central European character. Pure urban culture.
Food and wine: Portugal Douro Valley, Tuscany (Florence-Siena-San Gimignano day trips), Rhine Valley, Alsace (Strasbourg-Colmar regional). Wine regions sit on rail lines; your pass is your wine tour.
Budget: Balkans, Eastern Germany, Hungary, Poland. Your pass goes further, accommodation's cheap, and you're not competing with euro-tourists for resources.
Couples or solo romantics: Night train from Paris to Vienna, sleeper car with a view of the sunrise at Salzburg. Swiss Alps base stays (Interlaken 3 nights, day trips to Jungfrau). Coastal Adriatic (Split-Dubrovnik slow train). These routes have natural romance built in.
FAQ
Yes, always. And book months ahead for summer. Winter is cheaper and less crowded if you don't mind snow.
Rhine Valley or Cinque Terre. Both are short, both have easy connections, both don't require reservations on most trains. Start small, get confident, then tackle Glacier Express.
Not really. You'll spend half that time on trains and in station bathrooms. Spend 4-5 days: Zurich 1 night, Interlaken 2 nights (with day trips), Zermatt 1 night, Zurich 1 night. Your pass covers everything but the Jungfrau (extra charge).
Any of the iconic routes. They're busy with other tourists, conductors are friendly, and there's always someone around. Night trains: private sleeper cars are safe; couchettes are fine if you share with people you trust.
For time, yes. Flight is 2 hours; train is 12 hours. But train gives you the journey as the destination. If you've got 2 weeks+, take the train. If you've got 5 days, fly and train elsewhere.
Eastern Germany (Gorlitz, Bad Muskau), Southern Hungary (Eger, Szeged), Poland (Krakow is touristy but cheaper than Western Europe). Your pass takes you everywhere; accommodation costs are what vary.