5 Days: Geneva, the Alps and Lake

Five days is where Geneva stops being a city trip and starts being a Swiss regional base. Two days cover the city properly (full depth in our Geneva travel guide ), then three more send you out along the lake and into the hills, one hotel the entire time, because the rail and boat network radiating out from Cornavin makes that genuinely painless. Need it shorter, the 4-day plan stops after Montreux; have a sixth day, the 6-day version adds Chamonix.

Day Focus Distance/time from Geneva
1 First look at the lake and the Old Town In town
2 CERN, the Reformation Wall, a lakeside swim In town
3 Lausanne 35-45 min train
4 Montreux and Chillon Castle ~1hr train + short CGN boat
5 Gruyeres 1.5-2hr via Bulle

Book these before you go:

Day 1: First look at the lake and the Old Town

The train from GVA to Cornavin takes 6-7 minutes and costs about CHF 3. Head to the water first for the Jet d’Eau, best appreciated close up from the Eaux-Vives jetty rather than from a distance. Climb into the Old Town for St Pierre Cathedral, free to enter, with a rooftop tower climb for around CHF 5 that beats any photo you’ve seen of the view. Coffee at Place du Bourg-de-Four, dinner across the Arve in Carouge, the old Italianate quarter built under Sardinian rule, which rewards a slow wander more than the Old Town you just left, in my book, and costs less too.

Day 2: CERN, the Reformation Wall, a lakeside swim

Reserve CERN’s Science Gateway online before you land; entry is free, though the guided tours into the underground experiment halls only open two hours ahead, from 8:30am, and can’t be booked further out, so hold your morning flexible if that’s the version you want. Go regardless, it’s the standout free experience in the city. Afternoon: the Reformation Wall in Parc des Bastions costs nothing, then Bains des Paquis for a swim and the CHF 27 fondue, better value in my experience than the pricier lakefront versions charging CHF 40 for less. Swap in a UN Palais des Nations slot here if you booked one months ahead, passport mandatory, checked at the entrance.

Day 3: Lausanne

Cornavin to Lausanne runs every 15-20 minutes, 35-45 minutes each way, no reservation required. Lausanne climbs a hillside above its own lake frontage and feels younger and steeper than Geneva. The Olympic Museum on the water costs about CHF 20 full, CHF 14 reduced, and covers the Games from Athens 1896 forward with enough interactive material to fill a couple of hours properly. Walk the free Olympic Park gardens after, lunch up the hill near Place de la Palud, afternoon train back for dinner in Geneva.

Day 4: Montreux and Chillon Castle

An hour’s train ride from Cornavin puts you in Montreux, the palm-tree-and-vineyard stretch of the lake that looks nothing like Geneva’s flatter western end. Walk, bus, or take the short CGN boat (10-20 minutes) to Chillon Castle , the moated medieval fortress on the water that inspired Byron’s poem. Full admission runs about CHF 15 for all 46 numbered points, three courtyards, and the dungeons below; it’s free if you’re carrying a Swiss Travel Pass for the wider trip. Take the boat one way and the train the other for two completely different views of the same shoreline.

Day 5: Gruyeres

This is the payoff day. From Geneva, change trains at Bulle for Gruyeres, a medieval hilltop village that looks like it was built for a postcard and somehow still holds up in person. The walk up to Chateau de Gruyeres through cobbled streets takes ten minutes; skip nothing, this is one of the best-preserved small towns in French-speaking Switzerland. At the bottom of the hill, La Maison du Gruyere cheese factory runs working demonstrations of the actual cheese-making process, CHF 8 for the factory alone or about CHF 17 for a combined castle-and-factory ticket, and it’s worth every centime, this is the real production process, not a tourist reenactment. Total travel time each way runs 1.5-2 hours, so plan an early train out and a late one back.

Running the logistics

The free Geneva Transport Card, automatic for any registered hotel or hostel guest, covers city transit, Leman Express trains, and the Mouettes boats for your entire stay, though Montreux and Gruyeres run on standard SBB fares outside the card’s Zone 10. Skip a rental car entirely; the trains run on time and connect everywhere on this route without one.

Remember French is the only language you need here, prices run high across the board, and kitchens close between lunch and dinner service, so build your day-trip train times around noon-to-2pm lunches and lock CERN, and ideally your Gruyeres connection at Bulle, into your plans before anything else.