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 km²) of steep valleys, subalpine lakes, and the summits of Anderson Butte and Mount Watson.^[1] It is part of Mount Baker National Forest.

Noisy-Diobsud Wilderness
IUCN category Ib (wilderness area)
Location	Skagit / Whatcom counties, Washington, USA
Nearest city	Concrete, WA
Coordinates	48°39′20″N 121°34′14″W / 48.65556°N 121.57056°W / 48.65556; -121.57056
Area	14,100 acres (57.1 km2)
Established	1984
Governing body	United States Forest Service

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