Rivers Like Oyapock River

Maroni River

River

7.10 Good

Japurá River

River

7.45 Good

Corentyne River

River

6.90 Fair

Amazon River

River

9.15 Excellent

Amazon Basin

Plain

8.79 Great

Cerrado plains

Plain

8.55 Great

Negro River

River

8.14 Great

São Francisco River

River

8.05 Great

Mato Grosso plains

Plain

7.80 Good

Tapajós River

River

7.75 Good

Parana River

River

7.59 Good

Essequibo River

River

7.55 Good

Madeira River

River

7.41 Good

Tapajos River

River

7.22 Good

Xingu River

River

7.13 Good

Suriname River

River

7.00 Good

Purus River

River

6.95 Fair

Berbice River

River

6.85 Fair

Sao Francisco River

River

6.76 Fair

Tocantins River

River

6.67 Fair

Orinoco Plains

Plain

6.67 Fair

Araguaia River

River

6.49 Fair

Branco River

River

6.30 Fair

Mato Grosso Lowland

Plain

6.26 Fair