Lac de l'Abbaye

{{Infobox lake

| name = Lac de l'Abbaye

| image = Lac de l'Abbaye.jpg

| caption =

| image_bathymetry =

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| location = Grande-Rivière, Jura department, Franche-Comté

| coords = {{coord|46|31|47.87|N|5|54|44.51|E|region:FR-39_type:waterbody_source:dewiki|display=inline,title}}

| type =

| inflow =

|pushpin_map=France Franche-Comté

| outflow =

| catchment = {{convert|3.25|km2|abbr=on}}

| basin_countries = France

| length = {{convert|2.1|km|abbr=on}}

| width = {{cvt|600|m|ft|abbr=on}}

| area = {{convert|0.9|km2|abbr=on}}

| depth = {{convert|9.5|m|abbr=on}}

| max-depth = {{convert|19.5|m|abbr=on}}

| volume = {{convert|5.8|hm3|acre.ft|abbr=on}}

| residence_time =

| shore =

| elevation = {{convert|879|m|abbr=on}}

| frozen =

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}}

Lac de l'Abbaye, also known as Lac de Grandvaux or Lac de la Grande Rivière, is a glacial lake in the commune of Grande-Rivière, in the Jura department of France. It is located at an altitude of {{cvt|879|m}}, on the edge of Jura Mountains, {{cvt|7|km}} south of Saint-Laurent-en-Grandvaux.{{cite web | url=https://www.montagnes-du-jura.fr/lacs-cascades-et-sources-dans-les-montagnes-du-jura/les-lacs-du-jura-innombrables-et-varies/le-lac-de-labbaye/ | title=Le lac de l'Abbaye, un site pittoresque | Montagnes du Jura }}

The lake owes its name to the abbey of Saint-Claude, which was constructed its banks in the 12th century. Only the reconstructed 19th century church remains.{{cite web | url=https://www.jura-tourism.com/patrimoine-naturel/le-lac-de-labbaye/# | title=Le lac de l'Abbaye à GRANDE-RIVIERE CHATEAU }}{{cite book|title=Annals of the Abbey of Lac-de-Joux: from its foundation until its suppression in 1536|author=de Gingins-La Sarraz, Frédéric|publisher=Ducloux|date=1842|page=50}}

The lake is {{cvt|2.1|km}} in length, {{cvt|600|m}} wide, covering an area of {{cvt|120|ha}}. There is a small inflow at the northern end, but the lake is mainly fed from precipitation. Water is lost via a sinkhole. The catchment area of the lake is approximately {{cvt|350|ha}}.{{cite book|title=Lake Status Records from Europe: Data Base Documentation|author=Yu, Ge|publisher=World Data Center-A for Paleoclimatology, NOAA Paleoclimatology Program|date=1995|page=53}}