Treasure Valley

Location of Treasure Valley in the United States

The Treasure Valley is in the western United States, primarily in southwestern Idaho, where the Payette, Boise, Weiser, Malheur, Owyhee, and Burnt rivers drain into the Snake River. It includes all the lowland areas from Vale in rural eastern Oregon to Boise, and is the most populated area in Idaho.

Historically, the valley had been known as the Lower Snake River Valley or the Boise River Valley. Pete Olesen, president of the valley's association of local Chambers of Commerce, coined the name "Treasure Valley" in 1959 to reflect the treasure chest of resources and opportunities that the region offered.


Settling the region

The Treasure Valley from the east side of Bogus Basin

The tribes that roamed the area, specifically, were the Northern Paiute and Shoshone.[1] In 1834, Thomas McKay built the original Fort Boise, in the area near the present-day Parma, which was run for a time by Francois Payette. It later was moved because of flooding troubles and was abandoned in 1854. The Oregon Trail runs through the Treasure Valley.

The valley was settled for the most part by ranchers and farmers, initially to supply the gold and silver mining communities in the higher elevations nearby: Idaho City in the Boise Basin and Silver City in the Owyhees. A new Fort Boise was constructed by the U.S. Army in 1863 in present-day Boise, from which the city grew. In 1883, the Oregon Short Line Railroad reached the Treasure Valley, creating a thriving community, with Nampa as the center of the area's rail activity.

Basque immigration

Many Basques, primarily from northern Spain, came to the area looking for gold, but meeting discrimination, it seemed to many that a better occupation was shepherding, familiar from their homeland. Over 50,000 Basques came to the Treasure Valley, making it the largest community of Basques outside of Europe.[2]


Eastbound from Vale on US-20/26 into Ontario, Oregon.

As Boise began to grow, so did the riches of large planters, such as Thomas and Frank Davis. They moved to Idaho in 1862 for mining and homesteaded right below the Boise Bench on the Boise River. Tom Davis became very successful at growing fruit, as he made over $10,000 on one year's apple crop.[3] He later purchased more land for orchards and horses. In 1907, he donated much of this land as Julia Davis Park in honor of his wife.

The Owyhee Project was one of the most influential developments of the area. It essentially began 113 years ago in 1903, when surveyors began investigating a site on the Owyhee River for the construction of a dam, to impound water for irrigation. The Owyhee project received official Congressional sanction in 1924 on December 5 and the Owyhee Dam was completed on September 16, 1932.[4] While the dam was under construction, over 98.5 miles (159 km) of irrigation canals were being dug to the north and south. The main purpose of the Owyhee Project was irrigation. By 1965, over 111,000 acres (450 km2) were being irrigated for a value of more than $23 million.

In 1941, J. R. Simplot built a dehydrator and began processing large quantities of dehydrated potatoes and onions at a plant near Caldwell.[5] His business thrived selling potatoes to the government and fertilizer to local farmers.


In 1973, Hewlett Packard purchased a 150 acres (60 ha) site for a future peripherals plant in Boise.[6] Micron Technology was founded in 1978, creating an additional, local industry aside from farming and potato packaging.[7]

Geographic features

See also


  1. "The Peoples of Idaho: Native Settlers." Idaho Museum of Natural History. Accessed May 8, 2008
  2. "Jaialdi 2005 Kicks Off." Idaho Statesman. July 25, 2005. Accessed May 11, 2008
  3. "Thomas and Francis M. (Frank) Davis." Idaho State Historical Society. 1981. Accessed May 16, 2008
  4. "Owyhee Project." U.S. Department of the Interior Bureau of Reclamation. 1996.
  5. "J. R. Simplot Passes Away at Age 99." Simplot Company. Accessed June 16, 2008
  6. "HP Computer Museum" WordSong Communications P/L. 2004-2010. Accessed Dec 13, 2010
  7. "Company Milestones." Micron. Accessed May 10, 2008.

Coordinates: 44°02′25″N 116°56′00″W / 44.04028°N 116.93333°W / 44.04028; -116.93333

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