The Charley River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

. It is a major tributary of the Yukon River

Yukon River

The Yukon River is a major watercourse of northwestern North America. The source of the river is located in British Columbia, Canada. The next portion lies in, and gives its name to Yukon Territory. The lower half of the river lies in the U.S. state of Alaska. The river is long and empties into...

. The Charley River watershed is forested chiefly with Black Spruce

Black Spruce

Picea mariana is a species of spruce native to northern North America, from Newfoundland west to Alaska, and south to northern New York, Minnesota and central British Columbia...

 and White Spruce

White Spruce

Picea glauca is a species of spruce native to boreal forests in the north of North America, from central Alaska east to Newfoundland, and south to northern Montana, Minnesota, Wisconsin, Michigan, upstate New York, Vermont, New Hampshire, and Maine; there is also an isolated population in the...

. This general locus within the Yukon River catchment is the approximate westernmost limit of the Black Spruce, Picea mariana. The river is located within the Yukon-Charley Rivers National Preserve

Yukon-Charley Rivers National Preserve

The Yukon–Charley Rivers National Preserve is located in east central Alaska along the border with Canada. It encompasses 115 miles of the 1,800-mile Yukon River and the entire Charley River basin....

, and forms part of the boundary between the Census Bureau's Southeast Fairbanks

Southeast Fairbanks Census Area, Alaska

Southeast Fairbanks Census Area is a census area located in the state of Alaska, United States. As of the 2000 census, the population was 6,174. It is part of the unorganized borough and therefore has no borough seat...

 and Yukon-Koyukuk

Yukon-Koyukuk Census Area, Alaska

Yukon-Koyukuk Census Area is a census area located in the state of Alaska, United States. As of the 2010 census, the population was 5,588. It is part of the unorganized borough and therefore has no borough seat...

census areas.