Overview Silver Fir Campground is situated along the North Fork Nooksack River in Mt. Baker-Snoqualmie National Forest. The area offers stunning scenery and access to numerous recreational activities within the North Cascades in Washington.Recreation The campground provides a prime location for hiking and picnicking in summer and early fall and is a non-motorized Sno-Park in the winter. Hikers and backpackers are especially fortunate to have access to a variety of trails near the campground