The Donner Party, sometimes called the Donner–Reed Party, was a group of American pioneers who migrated to California in a wagon train from the Midwest. Delayed by a multitude of mishaps, they spent the winter of 1846–1847 snowbound in the Sierra Nevada. Some of the migrants resorted to cannibalism to survive, mainly eating the bodies of those who had succumbed to starvation, sickness, or extreme cold, but in one case murdering and eating two Native American guides.
The Donner Party originated from Springfield, Illinois, and departed Independence, Missouri, on the Oregon Trail in the spring of 1846. The journey west usually took between four and six months, but the Donner Party was slowed after electing to follow a new route called the Hastings Cutoff, which bypassed established trails and instead crossed the Rocky Mountains' Wasatch Range and the Great Salt Lake Desert in present-day Utah. The desolate and rugged terrain, and the difficulties they later encountered while traveling along the Humboldt River in present-day Nevada, resulted in the loss of many cattle and wagons, and divisions soon formed within the group.
By early November, the migrants had reached the Sierra Nevada but became trapped by an early, heavy snowfall near Truckee Lake (now Donner Lake) high in the mountains. Their food supplies ran dangerously low, and in mid-December some of the group set out on foot to obtain help. Rescuers from California attempted to reach the migrants, but the first relief party did not arrive until the middle of February 1847, almost four months after the wagon train became trapped. Of the 87 members of the party, 48 survived.
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