Trevallyn is a suburb of Launceston

Launceston, Tasmania

Launceston is a city in the north of the state of Tasmania, Australia at the junction of the North Esk and South Esk rivers where they become the Tamar River. Launceston is the second largest city in Tasmania after the state capital Hobart...

, in the north of Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

.

It is located on the north western part of the city (west of the Tamar River

Tamar River (Tasmania)

The Tamar River is a 70 kilometre estuarine in northern Tasmania formed by the merging of the North Esk River and South Esk Rivers at Launceston to its mouth at Low Head, north of the second largest settlement George Town and into the Bass Strait...

 and north of the South Esk River

South Esk River

The South Esk River is the longest river in Tasmania. It starts in the mountains near Fingal flowing through Avoca, Evandale, Longford, Hadspen and finally Launceston. The river is dammed at Trevallyn Dam near Launceston and used for the city's Hydro Electricity scheme...

). It is the location of the Cataract Gorge

Cataract Gorge

The Cataract Gorge is a river gorge in Launceston, northern Tasmania, Australia and is one of the region's premier tourist attractions. It is found at the lower section of the South Esk River...

 and the Trevallyn Dam

Trevallyn Dam

The Trevallyn Dam is a dam on the South Esk River in Launceston, Tasmania, Australia and is used to provide water for hydroelectricity. The spillway height is 26.8 metres and the dam wall is 177 metres long. The lake has a surface area of 1.48 km² and storage capacity of 12.33 million m³...

. It was the suburb in which Sir Benjamin Gill OAM called home while he lived at his home in Whitford Grove.

The name of the suburb spelled backwards, Nyllavert, can be found on postal records and lists of localities; the local post office used to carry this name in the 1930s. Despite the place name no longer existing and not being officially gazetted, the name still appears in many lists and indexes of localities.