Thur is a 131 km long river in north-eastern Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

. Its source is near the mountain Säntis

Säntis

At 2,502.9 meters above sea level, Säntis is the tallest mountain in the Alpstein massif of northeastern Switzerland. The mountain is a highly visible landmark thanks to its exposed northerly location within the Alpstein massif. As a consequence, houses called Säntisblick can be found in regions...

 in the south-east of the canton of St. Gallen

Canton of St. Gallen

The Canton of St. Gallen is a canton of Switzerland. St. Gallen is located in the north east of Switzerland. It covers an area of 2,026 km², and has a population of . , the population included 97,461 foreigners, or about 20.9% of the total population. The capital is St. Gallen. Spelling...

. In this canton it flows through the Toggenburg region and the town Wil

Wil

Wil is the capital of the Wahlkreis of Wil in the canton of St. Gallen in Switzerland.Wil is the third largest city in the Canton of St. Gallen, after the city of St...

. After Wil it flows through the canton of Thurgau

Thurgau

Thurgau is a northeast canton of Switzerland. The population, , is . In 2007, there were a total of 47,390 who were resident foreigners. The capital is Frauenfeld.-History:...

 and its capital Frauenfeld

Frauenfeld

Frauenfeld is the capital of the canton of Thurgau in Switzerland.-Early history:The earliest trace of human settlement are several La Tène era graves to the east of Langdorf. The Roman road from Oberwinterthur to Pfyn ran through what is now the Allmend in Frauenfeld. Two Roman villas were...

. The final 19 km (11.8 mi) of the river Thur are in the canton of Zürich

Canton of Zürich

The Canton of Zurich has a population of . The canton is located in the northeast of Switzerland and the city of Zurich is its capital. The official language is German, but people speak the local Swiss German dialect called Züritüütsch...

. It flows into the river Rhine on the border with Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, south of Schaffhausen

Schaffhausen

Schaffhausen is a city in northern Switzerland and the capital of the canton of the same name; it has an estimated population of 34,587 ....

.