Lake Whatcom Watershed is a critical protected area that supplies drinking water to Bellingham and supports diverse outdoor recreation across its forests, streams, and wetlands.
Lake Whatcom Watershed is located in western Whatcom County, Washington, just east of the city of Bellingham. This protected watershed encompasses the drainage basin of Lake Whatcom, one of the region's largest freshwater lakes, serving as the primary source of drinking water for Bellingham's residents. Covering a landscape dominated by dense coniferous forests, wetlands, small streams, and rocky ridges, the watershed supports a diverse ecosystem including native fish species such as cutthroat trout and bull trout, as well as abundant birdlife and mammals like black-tailed deer and river otters. The area was historically home to Coast Salish peoples before European settlers arrived, and today it is managed with a strong focus on preserving water quality and ecosystem integrity. Public access is permitted on many trails and roads, offering opportunities for hiking, mountain biking, bird watching, fishing, and paddling. Notable features include the scenic Chuckanut Mountains foothills within the watershed, clear forested creeks, and quiet natural settings suitable for wildlife observation. Due to its vital role in regional water supply, the Lake Whatcom Watershed is subject to careful land use and conservation practices, balancing outdoor recreation with protection of natural resources. Visitors appreciate the tranquil environment and well-maintained trail networks that provide access to both challenging hikes and gentle nature walks. The watershed remains an important place for environmental education and scientific research related to hydrology and forest management.
Lake Whatcom — pristine reservoir providing municipal drinking water
Chuckanut Mountains foothills — offering rugged terrain and forested trails
Silver Beach Trailhead — a popular access point for secluded hiking
Multiple cold-water streams supporting native trout populations
This 5,800-acre lake is the watershed's centerpiece, providing clean drinking water and recreational opportunities for non-motorized paddle sports.
Steep, forest-covered ridges that frame the watershed’s eastern edge, notable for their biodiversity and scenic forest trails.
A cold, clear tributary supporting native trout and aquatic insects, important for watershed health and fishing enthusiasts.