Diamond Valley is a basin located in central Nevada

Nevada

Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...

 in the western United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, between the Sulphur Spring Range and the Diamond Mountains

Diamond Mountains

The Diamond Mountains are a north-south mountain range in east-central Nevada northeast of Eureka. The range is along the Newark Valley and is part of the drainage divide demarcating the Little Smoky-Newark Watershed....

. The valley is located almost entirely within Eureka County

Eureka County, Nevada

Eureka County is a county located in the U.S. state of Nevada. As of the 2000 census, the population was 1,651. Its county seat is Eureka.Eureka County is part of the Elko Micropolitan Statistical Area.-History:...

, but the northern end crosses into Elko County

Elko County, Nevada

-Demographics:As of the census of 2000, there were 45,291 people, 15,638 households, and 11,493 families residing in the county. The population density was 3/sq mi . There were 18,456 housing units at an average density of 1/sq mi...

. The valley is up to 12 miles wide and over 45 miles long. The town of Eureka

Eureka, Nevada

Eureka is an unincorporated township in and the county seat of Eureka County, Nevada, United States. Eureka is by far the largest community in Eureka County...

 lies at the southern end of the valley, while the northern end is home to an alkali

Alkali

In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water. A solution of a soluble base has a pH greater than 7. The adjective alkaline is commonly used in English as a synonym for base,...

 flat. Several small lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

s are located in the western part of the valley

Valley

In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys...

 near Sadler Brown Road. Eureka Airport

Eureka Airport (Nevada)

Eureka Airport is a county-owned public-use airport located six nautical miles northwest of the central business district of Eureka, a city in Eureka County, Nevada, United States. The airport is located within and towards the southern end of the Diamond Valley.It is also known as Eureka County...

is also located towards the southern end of the valley.

Diamond Valley is also known for their farms that grow Timothy hay, Alfalfa hay, wheat, oats, and orchard grass. The hay provides feed for racetracks, dairies, and feed stores throughout the United States and foreign export market.