Gran Ega

{{Infobox river

| name = Gran Ega

| image = GaderPed.jpg

| image_size =

| image_caption = The Gran Ega at Pederoa, La Val

| source1_location = Val Badia (South Tyrol)

| mouth_location = St. Lorenzen

| mouth = Rienz

| mouth_coordinates = {{coord|46.7843|11.8906|type:river|display=it}}

| progression = {{RRienz}}

| subdivision_type1 = Country

| subdivision_name1 = Italy

| length_km = 34.7

| source1_elevation =

| mouth_elevation =

| discharge1_avg =

| basin_size_km2 = 390

}}

The Gran Ega (alternative Ladin name: Ghaidra; {{langx|de|Gader}}; {{langx|it|Gadera}}) is the main river of the Val Badia in South Tyrol, Italy. Its name literally translates to great water.