The Mahury is an extended

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime enviro ...

French Guiana French Guiana, or Guyane in French, is an Overseas departments and regions of France, overseas department and region of France located on the northern coast of South America in the Guianas and the West Indies. Bordered by Suriname to the west ...

southeast of

Cayenne Cayenne (; ; ) is the Prefectures in France, prefecture and capital city of French Guiana, an overseas region and Overseas department, department of France located in South America. The city stands on a former island at the mouth of the Caye ...

. It reaches inland from the

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

,Google Maps - Mahury
/ref> where it becomes known as the

Oyak Ordu Yardımlaşma Kurumu (OYAK) (English language, English: ''Military Solidarity Institution''), is a Turkish Charity (practice), charity and Turkish Armed Forces, military pension fund with around 470,000 members. The OYAK Holding Investment S ...

. Including its source rivers Comté and Oyak, it is long.

References

Rivers of French Guiana Rivers of France {{FrenchGuiana-river-stub