Biosfera Val Müstair


A small, world-class valley: the landscape around the Convent of St. John, beside the Swiss National Park, has recently been declared a UNESCO Biosphere Reserve.

On the banks of the Rom

The hike takes you through impressive river restoration, and in Sta. Maria you can discover the Mall mill and the hand weaving enterprise Tessanda and you can conclude with a visit to the museum in the UNESCO World Heritage St. Johann Monastery.

Highlights along the route

  1. River widening at the Palüds in Fuldera
  2. The Mall mill, Sta. Maria
  3. Tessanda hand weaving Val Müstair
  4. UNESCO World Heritage St. Johann Monastery, Müstair

"Look out for the small blue signposts "A la riva dal Rom" , which are either together with the yellow walking trail signposts or attached to posts at half-height.

Way points:
Post bus stop at Süsom Tschierv, Tschierv Chasuras, "La Stretta" fen, Tschierv Plaz, Orasom Tschierv, Fuldera, Lüsai (as an alternative a less steep ascent can be made by going past the l’Aqua house up to the Runc farm) Valchava, Graveras, Müstair, post bus stop at Müstair clostra."

Journey details

Duration 4 hours
Difficulty easy
Distance 13.2 Kilometres
Altitude difference 650 Metres
Arrival Tschierv ou Müstair
Return travel Müstair Kloster St. Johann

The "A la riva dal Rom" brochure is available at the Center da Biosfera or diverse tourist information counters (cost CHF 8.00).

School classes are able to pick up autodidactic material from the Biosfera-Büro for this hike - and small experiments can be carried out around the Rombach. We’re also happy to offer you competent guided tours through our Perits or Peritas (expert women and men). Special Biosfera lunch packs are also available on order should you wish one.

Additional information

Buy ticket

Buy your ticket from the SBB Shop or SBB Mobile app. You can also buy a ticket from the driver, at all ticket terminals, PostBus sales offices and at the counter of your nearest railway station.

Additional ticketing apps and online shops can be found in our overview.

Timetable / travel information

You will find the entire Swiss public transport timetable online here.

Timetable no. 90.811

Route open all year


Line 81111 (departing 09.34 h from Zernez) has to be reserved. No additional vehicles are operated for this route. All other routes,  Malles/Mals–Müstair–Zernez (Engadin–Meran route) can not be reserved.

Reserve online

Groups of 10 people or more are required to make a reservation for all routes. Tel. +41 81 856 10 90 Mon–Fri from 8 a.m. to 12 noon and from 1 p.m. to 6 p.m. Reserve online

Bicycle transport

Engadin–Meran Route
Bicycle transport fixtures available in/on the vehicle.
You can find more information at Biking and Postbus.

Increased capacity to transport bicycles in the summer.

The 81111 line (departure 09.34 from Zernez, staziun) does not provide bicycle transport. On the remaining stretches Bicycle transport fixtures available in/on the vehicle.

Advance reservation is recommended and is required for 6 bicycles and more: Tel. +41 81 856 10 90 Mon–Fri from 8 a.m. to 12 noon and from 1 p.m. to 6 p.m.

Wheelchair accessibility

No guarantee of wheelchair access to the postbus

Contact details


Val Müstair
Center da Biosfera
7532 Tschierv

Swiss parks

With the «Visit the Swiss Parks with PostBus» arrangement, you have the opportunity of discovering Swiss parks and enjoying a wide range of offers.