Darke Peak (formerly Carappee) is a small agricultural town located in central Eyre Peninsula, South Australia. The town is the population centre for the surrounding agricultural district and has become a minor historical tourist town. The J. C. Darke Memorial and Grave, commemorating early European explorer John Charles Darke, is located near the township and is located on the South Australian Heritage Register.
The town has a number of limited facilities, including accommodation, grocery and fuel supplies. At the 2006 census, Darke Peak had a population of 175.