From Envirowiki

Lake Pedder was a natural lake in south western Tasmania, which was dammed for hydroelectricity, largely destroying the lake's unique ecosystem. The damming was strongly protested by the public, after the Tasmanian government revoked the lake's national park status.

[edit] 1 A brief history

About 1 million years ago, glacial outwash blocked the flow of the Serpentine River.

[edit] 2 trivia

• Redgum sang "we're never gonna get lake pedder back" in their song "Where You Gonna Run To"