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

WaterNSW CEO Andrew George said there was also water spillage coming from other dams, including the Tallowa Dam on the Shaolhaven River and the Blue Mountains dam.

From BBC • Apr. 6, 2024

Consider a cross-state road trip to Field Springs State Park by the Grande Ronde River in Southeast Washington, with views of the Blue Mountains.

From Seattle Times • Apr. 24, 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

We then proceeded through a more elevated plain, where, on the left hand, in a north-west direction, is a near prospect of the Blue Mountains, which form the first chain of the Alleghany.

From Travels in the Interior of North America, Part I, (Being Chapters I-XV of the London Edition, 1843) Early Western Travels, 1748-1846, Volume XXII by Maximilian, Alexander Philipp