Lake Biddy is a small, ephemeral lake located in the Great Victoria Desert of Western Australia. It is part of the Lake Biddy Nature Reserve and is known for its seasonal water levels, which can vary significantly depending on rainfall. The lake is surrounded by a unique ecosystem that supports various plant and animal species. The area around Lake Biddy is primarily characterized by arid landscapes, with sparse vegetation and sandy soils. It serves as an important habitat for migratory birds and other wildlife, making it a valuable site for ecological research and conservation efforts in the region.