Entiat /ˈɛn(t)iˌæt/ is a city in Chelan County, Washington, United States.

[5] The name "Entiat" refers to the indigenous Entiat people, whose name comes from the Moses-Columbian Salishan word /nt'yátkʷ/, [nt'iátkʷ], "place of grassy water", from /na-/, "place", /st'íyaʔ/, "tall grass, hay", and /-atkʷ/, "water".

[6] Columbia River Chinook Indians settled the Entiat Valley in the 1800s.

Chief Shil-how-Saskt (Silico Saska) selected the congruence of the Columbia and Entiat rivers as the place for his camp.

It houses historical items from local logging and fruit industries.

[7] In 1877, Lewis Detwiler, the first white settler, arrived in the Entiat Valley.

In 1896, Chief Silico Saska sold the town site of Entiat.

The Keystone Fruit Company opened for business in the valley in 1910.

In 1920, the tradition of Numeral Mountain began as High School seniors painted their graduation class number on the Mountainside across the Entiat River from the school.

The new Entiat Park re-opened for camping on Friday, May 22, 2015, after being closed for over a year.

20.7% of all households were made up of individuals, and 7.4% had someone living alone who was 65 years of age or older.

21.3% of all households were made up of individuals, and 7.9% had someone living alone who was 65 years of age or older.