Deepest reservoirs in Italy

As of 2026-10-16, Lago di Lei tops the list with 133 m.

1. #1 Lago di Lei — 133 m

   lake in Lombardy, Italy / Grisons, Switzerland

   source Wikidata
2. #2 Lago di Livigno — 119 m

   reservoir in the Livigno valley

   source Wikidata
3. #3 Lago di Ancipa — 98 m

   lake in Sicily

   source Wikidata
4. #4 Lago di Fiastra — 87 m

   Italian reservoir

   source Wikidata
5. #5 Arzkarsee — 80 m

   reservoir

   source Wikidata
6. #6 Gusana — 80 m

   Territory of Gavoi, Sardinia, Italy

   source Wikidata
7. #7 Lago del Brugneto — 70 m

   reservoir

   source Wikidata
8. #8 Lago di Talvacchia — 67 m

   lake in Italy

   source Wikidata
9. #9 Lake of Osiglia — 65 m

   lake in Osiglia, Italy

   source Wikidata
10. #10 Lake Omodeo — 60 m

    reservoir

    source Wikidata