Newhalem is a small unincorporated community on the Skagit River in the western foothills of the North Cascades, in Whatcom County, northwestern Washington, United States. Newhalem is a company town owned by Seattle City Light and populated entirely by employees of the Skagit River Hydroelectric Project, or of local county, state or federal agencies. Th…Newhalem is a small unincorporated community on the Skagit River in the western foothills of the North Cascades, in Whatcom County, northwestern Washington, United States. Newhalem is a company town owned by Seattle City Light and populated entirely by employees of the Skagit River Hydroelectric Project, or of local county, state or federal agencies. The town is not open to permanent residents who do not work for these agencies. The Ross Lake National Recreation Area surrounds Newhalem on all sides, and the North Cascades National Park boundary is approximately one mile to the north and south of the town. Newhalem does not have an assigned US Postal Service zip code and thus, for postal purposes, is considered part of Rockport.