Dardanelle is a city in Yell County, Arkansas, United States. The population was 4,745 at the 2010 census. Along with Danville, it serves as a county seat for Yell County. It is located near Lake Dardanelle.
Dardanelle is part of the Russellville Micropolitan Statistical Area.
Dardanelle is one of the oldest cities in the state of Arkansas. Officially incorporated in 1855, Dardanelle celebrated its 150th anniversary in 2005. However, the area had been settled for years before that, first being established as a river town in the mid-18th century. It is Yell County's dual county seat, sharing that title with Danville.
The Treaty of Council Oaks was signed on June 24, 1823 on what is now Front Street beneath two huge oak trees (102 feet high and 400–500 years old).