. . "Sonogno is a municipality in the district of Locarno in the canton of Ticino in Switzerland. It is located in Valle Verzasca."@en . . . . "Sonogno"@en . "919.0"^^ . "2004"^^ . "5129" . "2004Z"^^ . "87"^^ . . "3.752e+07"^^ . . . . "CH-TI" . . . "6637" .