Lac Bersau

{{Infobox body of water

| name = Lac Bersau

| image = Lac d ayous.JPG

| caption =

| image_bathymetry =

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| location = Pyrénées, Pyrénées-Atlantiques

| group = Lacs d'Ayous

|pushpin_map=Pyrenees

| coords = {{coord|42|50|21|N|0|29|41|W|region:FR_source:frwiki_type:waterbody|display=inline,title}}

| type =

| inflow =

| outflow =

| catchment =

| basin_countries = France

| length =

| width =

| area = {{convert|0.125|km2|abbr=on}}

| depth =

| max-depth = {{convert|30|m|abbr=on}}

| volume =

| residence_time =

| shore =

| elevation = {{convert|2083|m|abbr=on}}

| frozen =

| islands =

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}}

Lac Bersau is a lake in the Pyrénées, department Pyrénées-Atlantiques, France. At an elevation of 2083 m, its surface area is 0.125 km², its max depth is 30 m or (98.42) foot{{Cite web |title=Lac Bersau - Vallée d'Ossau |url=https://www.lacsdespyrenees.com/lac-18-Lac%20Bersau.html |access-date=2024-03-05 |website=www.lacsdespyrenees.com |language=fr}}