Torrent Cismon - Piste cyclable et piétonne Primiero

The Primiero (German: Primör) is a valley located in the eastern part of Trentino, Italy. It consists of eight municipalities (comuni): Canal San Bovo, Fiera di Primiero, Imèr, Mezzano, Sagron Mis, Siròr, Tonadico and Transacqua.In Primiero a particular dialect is spoken.

Transacqua was a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 60 kilometres (37 mi) east of Trento. As of 31 December 2004, it had a population of 2,007 and an area of 35.6 square kilometres (13.7 sq mi). It was merged with Siror, Tonadico and Fiera di Primiero on January 1, 2016, to form a new municipality, Primiero San Martino di Castrozza.

Siror (German: Siraur) was a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 60 kilometres (37 mi) east of Trento. As of 31 December 2004, it had a population of 1,244 and an area of 75.1 square kilometres (29.0 sq mi). It was merged with Fiera di Primiero, Tonadico and Transacqua on January 1, 2016, to form a new municipality, Primiero San Martino di Castrozza.

Tonadico (German: Thunadich) was a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 60 kilometres (37 mi) east of Trento. As of 31 December 2004, it had a population of 1,429 and an area of 89.4 square kilometres (34.5 sq mi). It was merged with Siror, Fiera di Primiero and Transacqua on January 1, 2016, to form a new municipality, Primiero San Martino di Castrozza.