The Great Salt Lake is a very large saltwater lake in the United States. It is in the state of Utah. It is an endorheic lake, meaning that the water in it does not flow to the ocean. It is one of the biggest endorheic lakes in the world. The lake is in the Great Basin, a large area of desert terrain covering parts of the states of Nevada, Utah, Idaho, California, and Arizona. It is many times saltier than the average of the world's oceans.