Saleesh House, also known as Flathead Post, was a North West Company fur trading post built near present-day

Thompson Falls, Montana 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. History Thompson Falls was named after British explorer, geographer and fur trader David Thompson, who founde ...

in 1809 by David Thompson and James McMillan of the North West Company. It became a

Hudson's Bay Company The Hudson's Bay Company (HBC; french: Compagnie de la Baie d'Hudson) is a Canadian retail business group. A fur trading business for much of its existence, HBC now owns and operates retail stores in Canada. The company's namesake business di ...

(HBC) post after that company merged with the North West Company in 1821. Under HBC control the post was better known as Flathead rather than Saleesh. It continued to operate until at least 1855. Thompson had established the post of

Kullyspell House Kullyspell House (also spelled Kullyspel House) was a fur trading post established in 1809 on Lake Pend Oreille in what is now North Idaho. It was built by Finan McDonald under the direction of David Thompson of the North West Company. The post ...

earlier in the year in the territory of the

Pend d'Oreilles The Pend d'Oreille ( ), also known as the Kalispel (), are Indigenous peoples of the Northwest Plateau. Today many of them live in Montana and eastern Washington of the United States. The Kalispel peoples referred to their primary tribal range a ...

(who Thompson called the Kullyspel, an early variant spelling of "Kalispell"). This post was sited near the mouth of the Clark Fork river. By October Thompson had decided to established another post farther up the Clark Fork in the territory of the Flatheads. Thompson's name for the Flatheads was Saleesh. He also called Clark Fork the Saleesh River. The Saleesh House trading post was built by the end of 1809. The location of Saleesh House proved ideal, as it was on a route connecting the higher mountain country with bison hunting grounds near Flathead Lake. Several tribes used this route and traditionally encamped for winter near the Saleesh House site. The post quickly attracted a diverse community around itself. In addition, the region around the post was rich with beavers. The indigenous peoples had access to

pemmican Pemmican (also pemican in older sources) is a mixture of tallow, dried meat, and sometimes dried berries. A calorie-rich food, it can be used as a key component in prepared meals or eaten raw. Historically, it was an important part of indigenou ...

supplies and were willing to trap and trade beaver skins. The Saleesh House rapidly became the focal point of an impressively rich fur trading region in what would become

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

. It was at Saleesh House in late 1809 and early 1810 that David Thompson acquired the nickname ''Koo-koo-Sint'', or "Star-Looker". In 1810 Thompson and other members of the North West Company linked Saleesh House with

Spokane House Spokane House was a fur-trading post founded in 1810 by the British-Canadian North West Company, located on a peninsula where the Spokane River and Little Spokane River meet. When established, it was the North West Company's farthest outpost in ...

via a trail known as the "Skeetshoo Indian Road". Thompson soon left and did not return to Saleesh House until 1812, where he found the post in poor condition. Thompson repaired and rebuilt the post more permanently. Joint British - U.S. occupation of areas west of the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...

continental divide pursuant to the

Treaty of 1818 The Convention respecting fisheries, boundary and the restoration of slaves, also known as the London Convention, Anglo-American Convention of 1818, Convention of 1818, or simply the Treaty of 1818, is an international treaty signed in 1818 betw ...

ended with the Oregon Treaty in June, 1846, which extended the international boundary along the 49th parallel from the ridge of the Rocky Mountains to the Pacific Ocean.

References

{{Montana Fur trade Forts in Montana Pre-statehood history of Idaho Pre-statehood history of Montana History of the Pacific Northwest Hudson's Bay Company forts in the United States North West Company Oregon Country Buildings and structures in Sanders County, Montana Commercial buildings completed in 1809 1809 establishments in the British Empire