Lost River, ID

Lost River is a city in Custer County, Idaho, United States. The 2020 census counted 42 residents. Its name refers to its location near the Big Lost River. Lost River's name refers to its location near the Big Lost River is part of the local map. The through line in Lost River is the way its history and present-day settings remain visible on the same map. Lost River makes the most sense through those concrete details, with its history still visible in the settings people use today.