Mahury

{{Short description|River in French Guiana}}

{{Infobox river

| name = Mahury

| name_native =

| name_native_lang =

| image = French Guiana Mahury River Dégrad des Cannes.jpg

| image_caption = The Mahury upriver of the port Dégrad des Cannes

| pushpin_map = French Guiana

| pushpin_map_caption = Location of mouth

| source1_location =

| mouth = Atlantic Ocean

| mouth_location =

| mouth_coordinates = {{Coord|4.8693|-52.2355|format=dms|type:river_region:FR-GF|display=it}}

| progression =

| subdivision_type1 = Country

| subdivision_name1 = France

| subdivision_type2 = Region

| subdivision_name2 = French Guiana

| length = {{cvt|169|km}}

| source1_elevation =

| discharge1_avg =

| basin_size =

}}

The Mahury is an extended estuary of French Guiana southeast of Cayenne. It reaches {{convert|18|km}} inland from the Atlantic Ocean,[https://www.google.com/maps/@4.8111528,-52.293337,18172m/data=!3m1!1e3 Google Maps - Mahury] where it becomes known as the Oyak. Including its source rivers Comté and Oyak, it is {{convert|169|km|mi|abbr=on}} long.{{sandre|id=91--0200|nom=mahury, le (fleuve); oyak (riviere); brodel (crique); comte, la (riviere)}}