A small lake, also known as a pond, is a body of water that is shallow and relatively small in size. Other synonyms for a small lake include a lagoon, tarn, pool, and mere. A lagoon is a small saltwater lake, often found on a coast or island. A tarn is a small mountain lake, usually formed by a glacier. A pool is a small, artificially created body of water, often used for swimming or recreational purposes. A mere is a term used in England to describe a small lake or pond, often found in countryside areas. Regardless of the term used, these smaller bodies of water often provide a peaceful and scenic environment to observe and enjoy.