Peist is a former municipality in the district of Plessur in the canton of Graubünden in Switzerland. On 1 January 2013 the former municipalities of Peist, Calfreisen, Castiel, Langwies, Lüen, Molinis and St. Peter-Pagig merged into the municipality of Arosa.
Peist is first mentioned in 1084 as de Paiste.
Before the merger, Peist had a total area of 17.9 km2 (6.9 sq mi). Of this area, 57% is used for agricultural purposes, while 35.7% is forested. Of the rest of the land, 1.6% is settled (buildings or roads) and the remainder (5.7%) is non-productive (rivers, glaciers or mountains).
The former municipality is located in the Schanfigg sub-district of the Plessur district. It consists of the linear village of Peist on the northern slope of the mid-Schanfigg.
Nearby is the Peist railway station, on the Chur-Arosa railway line.
Peist had a population (as of 2010) of 209.As of 2008, 4.0% of the population was made up of foreign nationals. Over the last 10 years the population has decreased at a rate of -7%. Most of the population (as of 2000) speaks German (93.4%), with Portuguese being second most common ( 3.1%) and Italian being third ( 1.3%).
Peist is a railway station on the Chur-Arosa line (the "Arosabahn") of the Rhaetian Railway (RhB). It is situated very near to Peist.
Postauto bus service 90.041 terminates/begins at Peist's Schulhaus, which is slightly less than a kilometre (by road) from the station. The bus route serves (places listed from Peist): Sankt Peter, Pagig, Tura, Castiel, Calfreisen, Sax and Maladers, before entering Chur.
Hourly passenger services operate on this line (service "R4" on the Rhaetian network), between Chur and Arosa. The route is shown as timetable 930 in the Swiss national timetables. Currently passenger trains stop at Peist only on request and the morning/late afternoon express services run in January & February do not call here.