__NOTOC__ Lago di Tom is a

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

in the

Piora Valley ''Piora'' is a genus of Papuasian plants in the tribe Astereae within the family Asteraceae. ;Species The only known species is ''Piora ericoides'', native to the island of New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, o ...

, in the canton of

Ticino Ticino (), sometimes Tessin (), officially the Republic and Canton of Ticino or less formally the Canton of Ticino,, informally ''Canton Ticino'' ; lmo, Canton Tesin ; german: Kanton Tessin ; french: Canton du Tessin ; rm, Chantun dal Tessin . ...

, Switzerland. Its surface area is .

See also