North Fork, Idaho

North Fork is an unincorporated community in Lemhi County, Idaho.

[1] Its name is derived from confluence of the south-flowing North Fork of the Salmon River with the north-flowing main Salmon River, which makes a near-right angle turn here to flow westward across the state to Riggins.

US 93 serves the community, connecting it with Salmon to the south and Lost Trail Pass to the north.

Longtime families in the community include Cummings, Prestwich, Randolph, Hughes, Smith, and Maxwell.

Lewis and Clark traveled through this area and met with a local Indian man, Toby, who got the expedition lost crossing into Montana.