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 also show the stunning scenery of New South Wales, where the film was shot in the Blue Mountains, and Sydney in early 2025.

From BBC • Jan. 16, 2026

In 1909, Locati bought his own farm near the Blue Mountains, where he began cultivating his own crop of onions.

From Seattle Times • Jul. 7, 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

Below these palisades, a vast plain extends many miles on the south to where the purple line of the Blue Mountains cuts the horizon.

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