Blue Mountains

American  

plural noun

1. a range of low mountains in NE Oregon and SE Washington.

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Blue Mountains British  

plural noun

1. a mountain range in the US, in NE Oregon and SE Washington. Highest peak: Rock Creek Butte, 2773 m (9097 ft)

2. a mountain range in the Caribbean, in E Jamaica: Blue Mountain coffee is grown on its slopes. Highest peak: Blue Mountain Peak, 2256 m (7402 ft)

3. a plateau in SE Australia, in E New South Wales: part of the Great Dividing Range. Highest part: about 1134 m (3871 ft)

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Example Sentences

Another "PFAS hotspot" was found by water authority testing in the state's Blue Mountains world heritage area, close to an air force base, in 2024.

From Barron's • May 28, 2026

They are predominantly found in forested areas and suburban gardens from Sydney, Australia’s most populous city, to the coastal city of Newcastle in the north and the Blue Mountains to the west.

From Seattle Times • Jan. 4, 2024

Its position at the foothills of Sydney's Blue Mountains shields it from cooling coastal breezes, and many residents live in buildings with inadequate insulation and feel cost of living pressures.

From BBC • Dec. 29, 2023

Another long, bumpy drive took us from the Blue Mountains down to Treasure Beach, a village in the southwest parish of St. Elizabeth.

From New York Times • Mar. 9, 2023

And so in due time the train emerged from the screen of timber on the Blue Mountains.

From The Columbia River Its History, Its Myths, Its Scenery, Its Commerce by Lyman, William Denison