Sion, Switzerland Sion, Switzerland Sion (; ; ; ) is a Swiss town, a municipality, and the capital of the canton of Valais and of the district of Sion. it had a population of (known as "Sédunois(e)"). On 17 January 1968, the former municipality of Bramois merged into the municipality of Sion. On 1 January 2013, the former municipality of Salins merged into the municipality of Sion, and on 1 January 2017, Les Agettes did the same. Landmarks in Sion include the Basilique de Valère and Château de Tourbillon. Sion has an airfield for civilian and military use, where it serves as
Sion Mills in July 1969. Sion Mills Cricket Club plays in the North West Senior League. The River Mourne was the reason that Herdman's Mill was built in Sion Mills, County Tyrone. It was founded in 1835 and is a large complex of now listed buildings, the most prominent of which was built in 1853 by William Henry Lynn of Lanyon, Lynn and Lanyon, Belfast. This is a very large and handsome five-storey mill built in Italianate style of grey ashlar stone quarried locally, with yellow brick extensions added in 1884 to 1900. There had been a series of corn mills on