The Little Chilliwack River is a small 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 Whatcom County, Washington. It is a tributary of the Chilliwack River, entering the river just below the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

/Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 Border.

Course

The river originates at a ridge between it and Silesia Creek. It flows just over 7 miles northeast from there to its confluence with the Chilliwack on the opposite side of the river from a trail leading up the Chilliwack. The Little Fork merges with it just under 2 km above its mouth.

Little Fork

The Little Fork Little Chilliwack River starts at the base of Copper Mountain. It flows about 4 ½ km northeast as well, merging with the main fork about 2 km upstream from the river’s mouth.