Event Details

Thompson Falls

Montana County Seat Challenge

Thompson Falls, Montana; Sanders County

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Event Elevation: 2,419 feet

Thompson Falls is a city in and the county seat of Sanders County, Montana. The population was 1,336 at the time of the 2020 census. Thompson Falls was named after British explorer, geographer and fur trader David Thompson, who founded a North West Company fur trading post called Saleesh House in 1809. The community is located next to natural waterfalls on the Clark Fork river. Thompson Falls was established in 1910.

Sanders County is a county in the U.S. state of Montana. As of the 2020 census, the population was 12,400. Its county seat is Thompson Falls. The county was founded in 1905.