The crossword solution for the term 'Fjord Cousin' is RIA, which stands for 'RIA Formosa'. RIA Formosa is a coastal lagoon in Portugal, located in the Algarve region. It is a popular tourist destination due to its stunning beaches and diverse wildlife. The term 'Fjord Cousin' is used to describe RIA Formosa because it has similar characteristics to a fjord, such as its long, narrow shape and its connection to the sea.