Donner Party - group of emigrants to California who in the winter of 1846–47 met with one of the most famous tragedies in Western history. The California-bound families were mostly from Illinois and Iowa, and most prominent among them were the two Donner families and the Reed family. In going West they took a little-used route after leaving Fort Bridger and were delayed. They suffered severely in crossing the salt flats W of Great Salt Lake, and dissensions and ill feelings in the party arose when they reached what is today Donner Lake in the Sierra Nevada. They paused (Oct., 1846) to recover their strength, and early snow caught them, falling deep in the passes and trapping them. Their limited food gave out, the cold continued, and the suffering of the group, camped on Alder Creek and Donner Lake, grew intense. A party that attempted to make its way through the snow-choked passes in December suffered horribly. The surviving members of the Donner Party were driven to cannibalism. Finally, expeditions from the Sacramento valley made their way through the snowdrifts to rescue the hunger-maddened migrants. Only about half of the original party of 87 reached California. The survivors later disagreed violently as to the details of (and particularly the blame for) the disaster. Donner Lake, named for the party, is today a popular mountain resort near Truckee. There is a monument to the party. Nearby Donner Pass has a U.S. weather observatory.

See C. F. McGlashan, History of the Donner Party (1879, repr. 1966); G. R. Stewart, Ordeal by Hunger (1936, new ed. 1960); and an epic poem by G. Keithley (1972).

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