losing money. 1825–1832: The post was reopened at Piegan request, and it prospered due to a new source of beaver. In the winter of 1830–31, a group of Piegans were attacked by the Crows, who killed 57 Piegans and stole all their furs. After this disaster and the opening of a closer American post, the Piegans stopped trading and the post was closed again in 1832. 1835–1861: A new post was built to the south somewhere on the Bow River in the Piegan country, which failed after two years. In 1835, J. E. Harriott built a new post down the river but in sight of the old post, where it remained as a wintering post for 26 years. The Piegan trade having been lost to the Americans, the HBC tried to concentrate the Blackfoot trade at Rocky Mountain House away from their enemies at Fort Edmonton. With the escalating violence on the frontier, the HBC decided to stop the liquor trade. In retaliation, the Blackfeet refused to trade and prevented buffalo hunters from leaving the fort. With starvation a real possibility, no one was sent upriver in the fall of 1861 to trade. Finding the fort empty, the Blackfeet burnt it to the ground. 1864–1876: Gold was discovered in Montana and the American traders shifted their attention from Indians to prospectors. The HBC reasoned that this made a new opportunity for the Indian trade and a new Rocky Mountain House was built next to the ruins of the old one. The trade did not prosper because the Blackfeet preferred the Americans' whiskey which they got from places like Fort Whoop-up. Arriving in 1874, the North-West Mounted Police drove out the American whiskey traders, and the HBC built a new post somewhere to the south making Rocky Mountain House redundant. It was closed permanently in 1876. Geography The North Saskatchewan River borders Rocky Mountain House to the west where the Clearwater River flows into the North Saskatchewan River. Crimson Lake is a lake approximately northwest of town. Crimson Lake is home to Crimson Lake Provincial Park. Climate Rocky Mountain House has a subarctic climate (Köppen climate classification Dfc) that borders on a humid continental climate (Köppen Dfb). Daytime temperatures are in general representative for the latter, but the larger diurnal temperature variation with the high elevation ensures frequent frosts. The January average high of around is actually much milder than clear