Mountain is an unincorporated community in Oconto County, Wisconsin, United States.

It is located at latitude 45.185 and longitude -88.474 and elevation 971 feet (mean sea level).

The post office in Mountain was established in 1889, and remains in operation today.

[4] For statistical purposes, the United States Census Bureau has defined Mountain as a census-designated place (CDP).

[6] The community was named from the hilly terrain in the area, which early drivers compared to climbing mountains.