| Lago dell'Accesa | |
| Location: | Massa Marittima, Province of Grosseto, Tuscany |
| Pushpin Map: | Tuscany |
| Coords: | 42.9883°N 10.8955°W |
| Inflow: | Bruna |
| Outflow: | Bruna |
| Basin Countries: | Italy |
| Area: | 0.14km2 |
| Elevation: | 157m (515feet) |
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.