Valcolla

Valcolla was a municipality of the district Lugano in the canton of Ticino in Switzerland.
Geography.
Valcolla is in the upper part of the Val Colla, the mountain valley in which the Cassarate River rises. It has villages of Colla, Cozzo, Curtina, Insone, Maglio di Colla, Molino, Piandera, Scareglia and Signôra. It borders the following municipalities: Bidogno, Bogno, Capriasca, Cavargna (Italy), Certara, Cimadera, Corticiasca, Ponte Capriasca and Sonvico.
History.
In 1956 the municipality was created from the merger of Colla, Insone, Piandera, Scareglia and Signôra. On 14 April 2013, the former municipalities of Bogno, Cadro, Carona, Certara, Cimadera, Sonvico and Valcolla merged into the city of Lugano.