Aff (river)

{{Short description|River in western France}}

{{Infobox river

| name = Aff

| image = Aff bei La Gacilly.jpg

| image_caption = The Aff at La Gacilly

| pushpin_map = France#France Bretagne

| source1_location =

| source1_coordinates=

| mouth_location = Oust

| mouth_coordinates = {{coord|47|43|1|N|2|7|38|W|display=it}}

| progression = {{ROust}}

| subdivision_type1 = Country

| subdivision_name1 = France

| length = {{convert|66|km|mi|abbr=on}}

| source1_elevation =

| mouth_elevation =

| discharge1_avg =

| basin_size =

}}

The Aff ({{IPA|fr|af}}; {{langx|br|Av}}) is a river in Brittany, western France. It is a {{convert|66|km|mi|adj=on}} long tributary of the river Oust.{{Sandre|id=J8--0240|nom=Aff}} It is canalized for {{convert|7|km|mi}} between Glénac (its confluence with the Oust) and La Gacilly.[http://www.fluviacarte.com/fr/voies-navigables/region-ouest-2/voie-aff-25 Fluviacarte], Aff{{cite book | last = McKnight | first = Hugh | title = Cruising French Waterways, 4th Edition | publisher = Sheridan House | date = 2005 | isbn = 978-1-57409-087-1 | url-access = registration | url = https://archive.org/details/cruisingfrenchwa00mckn }}