The hook
A single cobbled street of medieval houses running uphill to a castle, with the Alps behind it, the cheese it gave its name to being made in the valley below — and, in a building on the same square, a museum of H.R. Giger's biomechanical nightmares.
01Why it's worth it
Gruyères is very small and very complete: one car-free street widening into a square, stone houses with deep eaves, and a thirteenth-century castle at the top with a view down the Saane valley to the mountains. It takes an hour to walk and is close to perfect while you are doing it.
What lifts it past "pretty Swiss village" is the collision on that square. Alongside the castle sits the H.R. Giger Museum — the Swiss artist who designed the creature for Alien bought a château here and filled it with his work — and across from it the Giger Bar, whose vaulted interior is built from skeletal biomechanical arches and bone-like chairs. Walking from a medieval keep into that room in the space of a minute is genuinely disorienting, in a good way.
The cheese is made for real. La Maison du Gruyère, at the station in the valley below, is a working dairy with viewing windows over the vats; the AOP cheese has been made in this valley since at least the twelfth century, and the local way to eat it is in a fondue moitié-moitié, half Gruyère and half Vacherin.
Honest notes. It is a tourist town — the day-tripper flow is the point of the local economy, and the Giger Bar asks you to buy something if you want to take photographs. And the journey is longer than the map implies: from Montreux it is a whole day by train, up and back, for a couple of hours in the place.
02How to experience it
Come by train via Bulle, do the dairy at the bottom first, then walk up to the town. Castle, then Giger, then the square, then leave before the last connection. If you want it quiet, arrive early or stay the night — most visitors are gone by six.
From the locals
A traveller on r/travel who had planned to spend the day in Montreux and changed their mind mid-trip: "we ended up deciding to spend the day taking the train up to Gruyères… the train ride up and back was LONG, and the entire thing is a whole day trip. But it was well worth it. Gruyères itself is such a beautiful medieval town with so much charm it hurts. Also… cheese."
On the museum they are matter-of-fact rather than starry-eyed: "the Giger bar was cool — pretty touristy, and they do request you make a purchase if you want to take pictures."
The country-wide caveat from the same thread is the one nobody disputes: "Switzerland is probably the second most expensive country in Europe, after Norway." A second traveller answered it with the fairest verdict in the thread — "it was the most expensive place we've been to, but it was well worth every penny" — plus the practical tip that staying a bus ride outside the centre of any Swiss town cuts the cost sharply.