Aneroid Lake is a large tarn

Tarn (lake)

A tarn is a mountain lake or pool, formed in a cirque excavated by a glacier. A moraine may form a natural dam below a tarn. A corrie may be called a cirque.The word is derived from the Old Norse word tjörn meaning pond...

 located on Aneroid Mountain in the Eagle Cap Wilderness

Eagle Cap Wilderness

Eagle Cap Wilderness is a wilderness area located in the Wallowa Mountains of northeastern Oregon , within the Wallowa–Whitman National Forest. The Wilderness was established in 1940. In 1964, it was included in the National Wilderness Preservation System...

 of Northeastern Oregon

Eastern Oregon

Eastern Oregon is the eastern part of the U.S. state of Oregon. It is not an officially recognized geographic entity, thus the boundaries of the region vary according to context. It is sometimes understood to include only the eight easternmost counties in the state; in other contexts, it includes...

. It is situated in between Roger Lake

Roger Lake

Roger Lake is a mountain pond located in a meadow on Aneroid Mountain in the Eagle Cap Wilderness of Northeastern Oregon, United States. It is situated one half mile from Aneroid Lake on trail 1804...

 and Dollar Lake

Dollar Lake (Wallowa County, Oregon)

Dollar Lake is a small tarn located on Aneroid Mountain in the Eagle Cap Wilderness of Northeastern Oregon, United States. It is situated between Aneroid Lake and Bonny Lakes and rests one mile SW from Aneroid Peak. It likely received its name because of its size and its almost perfectly round...

. It is not accessible by any kind of motor vehicle. However, there is a popular hiking trail that leads to the lake. There is a small group of private cabins near the south end and Pete's Point is clearly visible from the lake. It ties with Laverty Lake as the twenty-third highest lake in the Eagle Cap Wilderness

Eagle Cap Wilderness

Eagle Cap Wilderness is a wilderness area located in the Wallowa Mountains of northeastern Oregon , within the Wallowa–Whitman National Forest. The Wilderness was established in 1940. In 1964, it was included in the National Wilderness Preservation System...

 at 7500 ft (2,286 m).
Being surrounded by slopes that are typically covered in snow as early as October, Aneroid lake has become a popular cross country skiing destination.