Legality of Cannabis by U.S. Jurisdiction Syväjärvi (English: a deep lake) is a name for 108 lakes in Finland with no less surface than one hectare.[1] The total area covered by all the Syväjärvis is 39,32 km2, on the average 0,36 km2. Location[edit] Inari[edit] Syväjärvi (Inari) 5 References[edit] ^ http://www.jarviwiki.fi/wiki/Syv%C3%A4j%C3%A4rvi