| Lough Beltra | |
|---|---|
| Loch Bhéal Trá (Irish) | |
 Lough Beltra, with Nephin in the background | |
  Lough Beltra | |
| Location | County Mayo, Ireland |
| Coordinates | 53°55′30″N 9°24′48″W / 53.924932°N 9.413208°W |
| Primary inflows | Crumpaun River |
| Primary outflows | Newport River |
| Basin countries | Ireland |
| Surface area | 4.1 km2 (1.6 sq mi) |
| Surface elevation | 21 m (69 ft) |
| Islands | Coarse Island, Islandmore, Bush Island |
Lough Beltra or Beltra Lough is a lake in County Mayo, Ireland.
It is located in a mountainous region, west of Croaghmoyle and northeast of Newport. The name in Irish is Loch Bhéal Trá, "lake of the beach mouth".[1]