Pike expedition

United States Army Captain Zebulon Pike led the Pike expedition (July 15, 1806 – July 1, 1807) to explore the south and west of the Louisiana Purchase. Roughly contemporaneous with the Lewis and Clark expedition, Pike's excursion was the first American effort to explore the western Great Plains and the Rocky Mountains in Colorado, and marked the discovery of Pikes Peak.

Exploration

Pike left Fort Bellefontaine near St. Louis, Missouri on July 15 with a detachment of 20 soldiers and the 50 freed prisoners. They followed the Missouri River and Osage River to the Osage Nation village at the present-day border of Kansas and Missouri. There, they returned the hostages and parleyed with the natives. Striking northwest, the group made for the Pawnee territory on the Republican River in southern Nebraska. At the Pawnee village on September 29, Pike met with the Pawnee council and announced the new protectorship of the United States government over the territory. He instructed them to remove a Spanish flag and to fly the Stars and Stripes instead.

Related Topics:
Fort Bellefontaine - St. Louis, Missouri - Missouri River - Osage River - Osage Nation - Kansas - Missouri - Republican River - Nebraska - September 29

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The expeditionary force then turned south and struck out across the prairie for the Arkansas River. They reached the river on October 14, and the party split in two. One group, under Lieutenant James Biddle Wilkinson, travelled downstream along the length of the Arkansas to its mouth and back up the Mississippi to St. Louis. Pike lead the other group upstream, to the west, toward the headwaters.

Related Topics:
Arkansas River - October 14 - James Biddle Wilkinson

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Disappointed in the landscape, in his memoirs Pike called the prairie he had crossed The Great American Desert – a term that stuck, and discouraged settlement for decades.

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On November 15 Pike first saw the shadowy distant mountain he called "Grand Peak", which has since been known as Pikes Peak. Pike made an attempt to climb the peak, but was unequipped to achieve the 14,000-foot summit. Despite the coming winter, Pike pressed forwards up the Arkansas, and on December 7 the party reached Royal Gorge, a spectacular canyon on the Arkansas at the base of the Rocky Mountains.

Related Topics:
November 15 - Pikes Peak - December 7 - Royal Gorge - Rocky Mountains

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The party's next goal was to reach the headwaters of the Red River and head back downstream to the Mississippi and relative safety. However, the company's bearings were at this point far askew, and they made several blundering steps in an attempt to find the river. In addition, they were not equipped for a mountain expedition, nor for hard winter weather. Heading north, the party found the South Fork of the Platte River, and following it upstream came to what they thought was the headwaters of the Red. Turning back downstream, they returned to the point at which they had left the Arkansas originally. In fact, they had executed a large, weeks-long loop.

Related Topics:
Red River - Platte River

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Hungry, cold, and exhausted, the party headed south over the mountains. Several men were left behind as they dropped from exhaustion, but Pike doggedly pressed on until January 30, when he came to the Rio Grande at a point near Alamosa, Colorado. Pike mistook the Rio Grande for the Red River he had been seeking. Here, he built a fort and attempted to regroup his men, strewn across miles of mountains behind him.

Related Topics:
January 30 - Rio Grande - Alamosa, Colorado

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