Weinfelden is a municipality in the canton of Thurgau in Switzerland. It is the capital of the district of the same name.
Weinfelden is an old town, which was known during Roman times as Quivelda (Winis Feld).
Weinfelden is mostly known throughout Switzerland for its hockey team, HC Thurgau which is currently playing in the Swiss League.
Already in the year 124 AD, there was a Roman bridge over the Thur in Weinfelden. The name Weinfelden appears the first time in a document from 838.
Weinfelden was by far the biggest town in the canton of Thurgau. In 1798, Paul Reinhart and his committee led the area to freedom from the domination of the Eidgenossen. In 1803, Thurgau became an independent canton, through the mediation of Napoleon, with Frauenfeld as capital.
In 1830, Thomas Bornhauser spoke to a large crowd in Weinfelden, demanding a liberal constitution for the canton. It is one of the first (if not the first) such document.
Portraits of both Paul Reinhart and Thomas Bornhauser hang in the Rathaus.
Since it lies in the middle of the canton, part of the cantonal administration is located in the town, as is the Thurgau cantonal bank. The grand council of the canton meets in Weinfelden during the winter.
Weinfelden has an area, , of . Of this area, or 51.5% is used for agricultural purposes, while or 22.5% is forested. Of the rest of the land, or 25.2% is settled (buildings or roads), or 1.2% is either rivers or lakes.
Of the built up area, industrial buildings made up 11.6% of the total area while housing and buildings made up 3.9% and transportation infrastructure made up 2.8%. Power and water infrastructure as well as other special developed areas made up 1.4% of the area while parks, green belts and sports fields made up 5.5%. Out of the forested land, 20.1% of the total land area is heavily forested and 2.4% is covered with orchards or small clusters of trees. Of the agricultural land, 43.3% is used for growing crops, while 8.2% is used for orchards or vine crops. All the water in the municipality is flowing water.