At Denver the South Platte is joined by Cherry Creek, and here in October 1858 were established on opposite sides of the creek two bitterly rival settlements, St Charles and Auraria; the former was renamed almost immediately Denver, after General J.
Following the purchase from the Indians of the country, now known as the Platte Purchase, in 1836, a settlement grew up about this trading post, and in 1843 Robidoux laid out a town here and named it St Joseph in honour of his patron saint.
In searching for the Red river he came to the South Platte, marched through South Park, left it by Trout Creek pass, struck over to the Arkansas, which he thought was the Red River for which he was searching, and, going south and south-west, came to the Rio Grande del Norte (about where Alamosa, Conejos county, Colorado, is now) on the 30th of January 1807.
High; and the Rosenberg (1570 ft.), whence the ascent of the Platte (2136 ft.) with extensive view is made.
South Park, directly west of Pikes Peak, is one of the highest basins (nearly 10,000 ft.), and gains its name from the scattered, park-like growth of large pine trees; it is drained chiefly by the South Platte river (Missouri-Mississippi system), through a deep gorge in the dissected mass of the plateau-like Front Range.