Boise County, Idaho · 10 named features · Sourced to USGS and federal records
Boise County, Idaho is defined by its river systems. Mores Creek — the stream that flows through Idaho City itself — carried the placer gold that triggered the 1862 Boise Basin gold rush. The South Fork Payette River to the north, the Middle Fork Boise River in the wilderness, and the North Fork Boise River drain the county's 1,905 square miles into the Boise River system.
