Grand Bec

{{Infobox mountain

| name = Grand Bec

| photo = Grand Bec - 3000x2000.JPG

| photo_caption =

| elevation_m = 3398

| elevation_ref =

| prominence_m =

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| location = Savoie, France

| map = France

| map_caption = France

| range_coordinates =

| label_position = left

| coordinates = {{coord|45|25|25|N|06|45|10|E|type:mountain_region:FR_scale:100000|format=dms|display=inline,title}}

| coordinates_ref =

| type =

| first_ascent =

| easiest_route =

}}

Grand Bec is a mountain of Savoie, France. It lies in the Massif de la Vanoise range. It has an elevation of 3,398 metres above sea level.