Lake Accesa
General data
- Name: Lake Accesa
- Water system: Bruna River
- Water type: Natural lake
- Progression: Bruna River -> Tyrrhenian sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: Europe
- Countries: Italy
Lago dell'Accesa is a lake at Massa Marittima in the Province of Grosseto, Tuscany, Italy. At an elevation of 157 m, its surface area is 0.14 km². A number of ruins from the Etruscan civilization have been found in and around the lake.