> * Length: 3,185 miles (5,124 km)
> * Basin area: 327,000 square miles (847,000 km²)
> * Discharge: 640,000 cubic feet per second (18,000 m³/s)
2. Kuskokwim River
> * Length: 725 miles (1,167 km)
> * Basin area: 100,000 square miles (260,000 km²)
> * Discharge: 285,000 cubic feet per second (8,060 m³/s)
3. Tanana River
> * Length: 663 miles (1,067 km)
> * Basin area: 141,500 square miles (366,000 km²)
> * Discharge: 240,000 cubic feet per second (6,800 m³/s)
4. Copper River
> * Length: 295 miles (475 km)
> * Basin area: 26,000 square miles (67,000 km²)
> * Discharge: 200,000 cubic feet per second (5,700 m³/s)
5. Stikine River
> * Length: 395 miles (636 km)
> * Basin area: 18,000 square miles (47,000 km²)
> * Discharge: 160,000 cubic feet per second (4,500 m³/s)