Galbraith Mountain, Mountain peak in Whatcom County, Washington.

Galbraith Mountain is a forested peak in the Whatcom County area with dense woodland covering its slopes. The mountain is crossed by an extensive network of hiking trails and mountain biking routes that range across different skill levels.

The 3,125-acre tract was held by the Trillium Corporation until April 1, 2010, when the company surrendered it to Polygon Financial Partners rather than default on its loan. The Whatcom Independent Mountain Pedalers built and maintained the trail system under a 2005 contract with Trillium. In 2018 the City of Bellingham, the Whatcom Land Trust and Galbraith Tree Farm LLC signed a purchase and sale agreement, approved by the City Council, securing recreational use of up to 65 miles of trails.

The trail network is built and maintained by the Whatcom Independent Mountain Pedalers (WHIMPs), who created it under a 2005 contract with the Trillium Corporation. Trillium and the WMBC placed kiosks, outdoor art and a bike maintenance station around the mountain. The name Galbraith is used locally for North Lookout Mountain.

The mountain is accessible from multiple trailheads suitable for beginners through experienced athletes. Visitors should expect variable weather and muddy conditions, especially during fall and winter months.

The two main summits, 1,365 ft and 1,785 ft, are not the highest points of North Lookout Mountain, yet they stand out across western Whatcom County. Four radio towers sit on the mountain, three at the summit and one about 100 ft below.