Blyth is a small town in the Mid North of South Australia, located 13 kilometres (8.1 mi) west of the renowned Clare Valley. The town is located on the lands of the Kaurna people, the indigenous people who lived there before European settlement. It has a population of 306, the farming community spanning the plains between the Clare Hills and the Barunga/Hummocks ranges. Altitude is 189 metres (620 ft), and rainfall is approximately 400 millimetres (16 in) per annum.
Located approximately 132 kilometres (82 mi) north of Adelaide, the district's climate and soils are well suited to wheat, barley, legumes, hay, sheep, cattle and pigs.
Blyth has a General Store, Post Office, Pub and Gallery/Studio, as well as sporting facilities for football, netball, bowls, cricket, tennis and golf. Several businesses based in Blyth service the region. The Blyth Cinema is housed in a renovated Masonic Hall.
The township of Blyth was founded in 1875, 15 years after the Hundred of Blyth, in which it was located, was proclaimed.