Ource

{{Infobox river

| name = Ource

| image = Ource-french-river.jpg

| image_size =

| image_caption = The Ource at Autricourt.

| map = Ource.png

| source1_location = Near Poinson-lès-Grancey

| source1_coordinates= {{coord|47|41|24|N|04|58|41|E}}

| mouth_location = Seine

| mouth_coordinates = {{coord|48|05|46|N|04|22|51|E|display=inline,title}}

| progression = {{RSeine}}

| subdivision_type1 = Country

| subdivision_name1 = France

| length = {{convert|100|km|mi|abbr=on}}

| source1_elevation = {{convert|400|m|ft|abbr=on}}

| mouth_elevation = {{convert|156|m|ft|abbr=on}}

| discharge1_avg = {{convert|8.6|m3/s|cuft/s|abbr=on}}

| basin_size = {{convert|736|km2|sqmi|abbr=on}}

}}

The Ource ({{IPA|fr|uʁs|lang}}) is a {{convert|100|km|mi|abbr=on}} long river in northeastern France, a right tributary of the river Seine.{{sandre|id=F04-0400|nom=L'Ource}} Its source is in the Haute-Marne department, 2 km south of Poinson-lès-Grancey. It flows generally northwest. It joins the Seine at Bar-sur-Seine.

Its course crosses the following departments and communes:

References