Salt spring is a term used to describe a location where natural saltwater springs are found. Synonyms for this phrase include saline springs, saltwater springs, brine springs, and mineral springs. Saline springs refer to any type of spring that contains salty water, not just those with high salt concentrations. Saltwater springs are similar but specifically refer to springs that have seawater-like salt concentrations. Brine springs are those that have high concentrations of salt and can be used for salt mining. Mineral springs, on the other hand, can contain a variety of minerals in addition to salt. All of these terms can be used interchangeably with salt spring depending on the context.