A medium-sized freshwater lake (Lago di Mezzola) in a mountain valley in the foothills of the south-central Alps, north of Lago di Como and connected with it by the Mera river. The lake and its associated wetlands are surrounded by cultivated areas. Pian di Spagna is an alluvial flood-plain, lying between the two lakes. The site comprises mainly open water, reedbeds and intensively cultivated land. The main land-uses are nature conservation, agriculture, and fisheries.
A notable area for migrating and wintering waterbirds. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (1, winter).
BirdLife International (2020) Important Bird Areas factsheet: Pian di Spagna and Lake Mezzola. Downloaded from http://www.birdlife.org on 07/08/2020.