Noisy-Diobsud Wilderness

{{Short description|Wilderness area in Washington, United States}}

{{Use mdy dates|date=January 2025}}

{{Infobox protected area

| name = Noisy-Diobsud Wilderness

| iucn_category = Ib

| map = USA

| relief = 1

| map_caption =

| location = Skagit / Whatcom counties, Washington, USA

| nearest_city = Concrete, WA

| coordinates = {{coord|48|39|20|N|121|34|14|W|region:US|format=dms|display=inline,title}}

| coords_ref =

| area = 14,100 acres (57.1 km²)

| established = 1984

| visitation_num =

| visitation_year =

| governing_body = United States Forest Service

}}

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 {{convert|14100|acre|km2}} of steep valleys, subalpine lakes, and the summits of Anderson Butte and Mount Watson.{{cite web |title=Wilderness.net: Noisy-Diobsud Wilderness |url=http://www.wilderness.net/index.cfm?fuse=NWPS&sec=wildView&wname=Noisy-Diobsud |access-date=2007-12-22 |archive-url=https://web.archive.org/web/20100621102833/http://wilderness.net/index.cfm?fuse=NWPS&sec=wildView&wname=Noisy-Diobsud |archive-date=2010-06-21 |url-status=dead }} 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.