The Trevallyn Dam

The Trevallyn Dam is a dam on the South Esk River in Launceston, Tasmania, Australia and is used to offer water for hydroelectricity. The dam become completed in 1955 as a part of the Trevallyn Hydro Electric Scheme and now holds the waters of Lake Trevallyn. Lake Trevallyn is a concrete gravity dam constructed on Dolerite bedrock. The spillway top is 26.8 metres and the dam wall is 177 metres lengthy. The lake has a floor location of 1.48 km² and garage capacity of 12.33 million m³. A lists Trevallyn Dam as having a dam wall height of 33 metres and the overall extent of the wall as 61,000 cubic metres.

Lake Trevallyn is the lengthy, narrow lake created via the dam and extends as a ways as Hadspen where the primary rapids begin at the junction of the Meander and South Esk Rivers. The widest point on the lake is at Stephenson's Bay in which it reaches 390m extensive. Launceston's outer suburb of Blackstone Heights and a part of the Trevallyn State Recreation Area shape part of the shore of Lake Trevallyn. Land across the lake is a mixture of suburbs, agricultural land and dry eucalypt forest. The lake and some of the encompassing land is used as a exercise vicinity. Most facilities are placed at Aquatic Point which include a boat launching ramp, jetty and ski-soar.