Mount Baker National Forest in the context of "Henry M. Jackson Wilderness"

The Pasayten Wilderness is a 531,539 acres (215,106 ha) protected area located within Okanogan–Wenatchee National Forest and Mount Baker National Forest in Washington state, centered on the Three Forks (48°54′02″N 120°38′01″W / 48.900584°N 120.6336808°W / 48.900584; -120.6336808) of the Pasayten River, a tributary of the Similkameen River. Although part of the wilderness lies in Mount Baker-Snoqualmie National Forest, the largest section falls within the boundaries of Okanogan National Forest, which has responsibility for the wilderness's management. The wilderness is bordered by the Stephen Mather Wilderness to the west. The northern boundary of the wilderness is the Canada–US border. Across the border are Manning Provincial Park and Cathedral Provincial Park. The wilderness area is adjacent to the Ross Lake National Recreation Area to the west, and North Cascades National Park beyond that. The Pacific Crest National Scenic Trail has its northernmost section in this wilderness. The western part of the wilderness features dramatic views and peaks of the northern Washington Cascade Mountains while the eastern section is known for its grasslands and Alpine tundra. The tallest point in the Pasayten is Jack Mountain.

The Pasayten is traditional hunting territory of the Nlaka'pamux peoples of the Fraser Canyon and Nicola Country along with adjoining parts of the Cascade Range, although there are no Nlaka'pamux populations on the Washington side of the border.

The Noisy-Diobsud Wilderness is a relatively small wilderness area in northwestern Washington state adjacent to North Cascades National Park. Created in 1984, the Noisy-Diobsud contains 14,100 acres (57 km) of steep valleys, subalpine lakes, and the summits of Anderson Butte and Mount Watson. It is part of Mount Baker National Forest.

The only maintained trail enters the west side of the wilderness from the Anderson Lakes road above Baker Lake.

Glacier Peak Wilderness is a 566,057-acre (229,075 ha), 35-mile-long (56 km), 20-mile-wide (32 km) wilderness area located within portions of Chelan, Snohomish, and Skagit counties in the North Cascades of Washington. The area lies within parts of Wenatchee National Forest and Mount Baker National Forest and is characterized by heavily forested stream courses, steep-sided valleys, and dramatic glacier-crowned peaks. The dominant geologic feature of the area is 10,541-foot (3,213 m) Glacier Peak. It is the most remote major volcanic peak in the Cascade Range and is the third most heavily glaciated volcano in the lower forty-eight states behind Mount Rainier and Mount Baker. Glacier Peak is a volcanic cone of basalt, pumice, and ash which erupted during periods of heavy glaciation.