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Oyapock | |
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View of the Oyapock River from Brazil toward French Guiana | |
![]() Guyane Oyapock River map | |
Location | |
Countries | Brazil and French Guiana |
Physical characteristics | |
Source | |
• location | Tumuk Humak Mountains |
Mouth | |
• location | Atlantic Ocean |
• coordinates | 04°14′08″N 51°36′53″W / 4.23556°N 51.61472°W |
Length | 403 km (250 mi) |
Basin size | 30,869 km2 (11,919 sq mi) |
Discharge | |
• location | Near mouth |
• average | 1,457 m3/s (51,500 cu ft/s) |
Basin features | |
Bridges | Oyapock River Bridge |
The Oyapock or Oiapoque (/ˈɔɪ.əpɒk, ɔɪ.əˈpoʊki/; French: Fleuve Oyapock [flœv ojapɔk]; Portuguese: Rio Oiapoque [ˈʁiu ɔjɐˈpɔki]) is a 403-kilometre (250 mi) long river in South America that forms most of the border between the French overseas department of French Guiana and the Brazilian state of Amapá.[1][2]