The Nowitna River is a 250-mile (400 km) tributary of the Yukon River in the U.S. state of Alaska. The river flows northeast from the Kuskokwim Mountains through Nowitna National Wildlife Refuge and enters the larger river 38 miles (61 km) northeast of Ruby and southwest of Tanana. Major tributaries include the Titna, Big Mud, Little Mud, Lost, and Sulatna rivers.
The Chena River is a 100-mile (160 km) tributary of the Tanana River in the Interior region of the U.S. state of Alaska. It flows generally west from the White Mountains to the Tanana River near the city of Fairbanks, which is built on both sides of the river. The Tanana empties into the 2,300-mile (3,700 km) long Yukon River.
The Delta River is an 80-mile (130 km) tributary of the Tanana River in the U.S. state of Alaska. Its name in the Ahtna language is Saas Na’ . Fed by the Tangle Lakes of the Alaska Range, the river flows north to meet the larger river near Big Delta.
The Swanson River (Dena'ina: Yaghetnu) is a stream, 40 miles (64 km) long, on the Kenai Peninsula of south-central Alaska in the United States. Beginning at Gene Lake in the Swanson Lakes district, it flows southwest then north to Number Three Bay on the Gompertz Channel of Cook Inlet.
The Chitina River is a 274 km (170 mi) tributary of the Copper River in the U.S. state of Alaska. It begins in the Saint Elias Mountains at the base of Chitina Glacier and flows generally northwest through the Wrangell–St. Elias National Park and Preserve to meet the smaller river near Chitina. The watershed was once a major copper mining region.
The Alatna River is a federally designated wild and scenic river partially contained within the boundaries of Gates of the Arctic National Park, Alaska.
The Andreafsky River is a 120-mile (190 km) tributary of the Yukon River in the U.S. state of Alaska. The Andreafsky flows south from near Iprugalet Mountain in the Yukon Delta National Wildlife Refuge to meet the larger river at Pitkas Point, near the village of St. Mary's.
The Aniakchak River is a stream, 27 miles (43 km) long, in Lake and Peninsula Borough on the Alaska Peninsula in the United States. It arises in Surprise Lake in the crater of Mount Aniakchak, a volcano in the Aleutian Range. It flows eastward from Aniakchak National Monument and Preserve into Aniakchak Bay and the Pacific Ocean.
Beaver Creek is a 180-mile (290 km) tributary of the Yukon River in the U.S. state of Alaska. The creek begins at the confluence of Champion and Bear creeks in the White Mountains National Recreation Area, about 50 miles (80 km) north of Fairbanks. From there it flows west around the southern end of the White Mountains, then northeast into the Yukon Flats National Wildlife Refuge, then west into the Yukon River downstream of Beaver.
The Charley River is an 88-mile (142 km) tributary of the Yukon River in the U.S. state of Alaska. Flowing generally northeast from the Mertie Mountains in the northeastern part of the state, the river lies entirely within Yukon–Charley Rivers National Preserve. The Charley River enters the larger river downstream and 55 miles (89 km) northwest of Eagle.
The Chilikadrotna River is a 55-mile (89 km) tributary of the Mulchatna River in the U.S. state of Alaska. It begins in Lake Clark National Park and Preserve in northern Lake and Peninsula Borough and flows westward into the larger river 46 miles (74 km) northwest of Nondalton.
The Fortymile River is a 60-mile (97 km) tributary of the Yukon River in the U.S. state of Alaska and the Canadian territory of Yukon. Beginning at the confluence of its north and south forks in the Southeast Fairbanks Census Area, the Fortymile flows generally northeast into Canada to meet the larger river 32 miles (51 km) southeast of Eagle, Alaska.
The Gulkana River is a 60-mile (97 km) tributary of the Copper River in the U.S. state of Alaska. Beginning near the southeastern end of Summit Lake in the Alaska Range, the river flows generally south to meet the larger river 9 miles (14 km) northeast of Glennallen. The Richardson Highway and the Trans-Alaska Pipeline run north–south, nearby and roughly parallel to the Gulkana River. Slightly south of Summit Lake the river passes under the east–west Denali Highway near its junction with the Richardson Highway at Paxson.
The John River (Iñupiaq: Atchiiniq) is a 125-mile (201 km) tributary of the Koyukuk River in the northern part of the U.S. state of Alaska. It was named after John Bremner, a prospector and explorer who was one of the first non-native persons to go there. It flows south from Anaktuvuk Pass in Alaska's Brooks Range, into the larger river at a point near Bettles, slightly north of the Arctic Circle.
The Mulchatna River (Dena'ina: Vałts'atnaq') is a 160-mile (260 km) tributary of the Nushagak River in the U.S. state of Alaska. Beginning at Turquoise Lake, it flows generally southwest to meet the larger river 65 miles (105 km) northeast of Dillingham. The Mulchatna's mouth is slightly south (downstream) of the village of Koliganek on the Nushagak, which continues southwest to Nushagak Bay, an arm of Bristol Bay.
The Tinayguk River is a 44-mile (71 km) tributary of the North Fork Koyukuk River in the U.S. state of Alaska. Heading in the Endicott Mountains of the Brooks Range, the river flows generally west then south to meet the larger river about 80 miles (130 km) north of Bettles.
The Unalakleet River in the U.S. state of Alaska flows southwest 90 miles (145 km) from the Kaltag Mountains to near the town of Unalakleet, on Norton Sound of the Bering Sea.
The Stony River is a 190-mile (310 km) tributary of the Kuskokwim River in the U.S. state of Alaska. The river flows south from near Mount Mausolus in the Revelation Mountains of the Alaska Range through the northwestern corner of Lake Clark National Park and Preserve. From there, it flows generally westward to meet the larger river at the community of Stony River.
The Kantishna River is a 108-mile (174 km) tributary of the Tanana River in the U.S. state of Alaska. Formed by the confluence of the McKinley River with Birch Creek in Denali National Park and Preserve, it drains part of the north slope of the Alaska Range including the Denali massif. The direction of flow is generally north-northeast. The Toklat River is a major tributary.
The Eagle River is a stream, 40 miles (64 km) long, in Anchorage, Alaska. Heading at Eagle Glacier in Chugach State Park, it flows northwest into Eagle Bay on the Knik Arm of Cook Inlet, 9 miles (14 km) northeast of downtown Anchorage.
