Wash. Admin. Code § 220-410-040
GMU 407-NORTH SOUND (Whatcom, Skagit, Snohomish and King counties); (does not include Guemes Island):
Beginning at the NW corner of Whatcom County line and the US-Canadian border; E on the US-Canadian border to a point due north of Silver Lake Rd; S to Silver Lake Rd; S on Silver Lake Rd to State Route (SR) 542 (Mount Baker Hwy); SW on SR 542 (Mount Baker Hwy) to Mosquito Lake Rd; S on Mosquito Lake Rd to SR 9 (Valley Hwy); S on SR 9 (Valley Hwy) to SR 20 in the town of Sedro-Woolley; W and S on SR 20 to SR 9; S on SR 9 to SR 530 at the town of Arlington; NE on SR 530 to Jim Creek-Trafton Rd at the Trafton School in the town of Trafton; SE along Jim Creek-Trafton Rd (242nd St. NE) to the City of Seattle power transmission line; SW on the transmission line to Jordan Rd in Section 20, T31N, R6E; SE along Jordan Rd to SR 92 at the town of Granite Falls; E on SR 92 to South Alder Ave; S on South Alder Ave to E Pioneer St; E on East Pioneer St to Menzel Lake Rd; SE on Menzel Lake Rd to North Lake Roesiger Rd; S on North Lake Roesiger Rd to South Lake Roesiger Rd; S on South Lake Roesiger Rd to 242nd St SE; S on 242nd St SE to Woods Creek Rd; S on Woods Creek Rd to US Hwy 2 at the town of Monroe; W on US Hwy 2 to SR 203 at the town of Monroe; S on SR 203 to Peoples Creek; W, S and N on Peoples Creek to the Snoqualmie River; N down the Snoqualmie River to the Snohomish River; W down the Snohomish River to its mouth on the Puget Sound; W from the mouth of the Snohomish River to the northern tip of Gedney Island; due W from the northern tip of Gedney Island to a point on the Snohomish-Island County line; N along the Island-Snohomish County line in Possession Sound and Port Susan to Juniper Beach and N through Davis Slough to the Island-Snohomish-Skagit County junction; W and N along Island-Skagit County line through Skagit Bay and W through Deception Pass to San Juan-Skagit County line; N on the San Juan-Skagit County line to a point due West of Kelly's Point on Guemes Island; E from the San Juan-Skagit County line to Bellingham Channel, excluding Guemes Island; N through the middle of Bellingham Channel, then NE from Bellingham Channel to Carter Point on Lummi Island; NW from Carter Point to the Skagit-Whatcom County line; W along Skagit-Whatcom County line to the Whatcom-San Juan County line; NW along the Whatcom-San Juan County line to the US-Canadian border and the point of beginning.
GMU 410-ISLANDS (Island, San Juan, and Skagit counties) excluding Camano, Whidbey, Orcas, San Juan, Lopez, Shaw, Blakely, Decatur, Henry, Stuart, and Cypress Islands:
Beginning at the junction of San Juan-Whatcom County lines and the US-Canadian border at the northernmost point in San Juan County; SE on the San Juan-Whatcom County line to the junction of San Juan-Whatcom-Skagit County lines; E on the Skagit-Whatcom County line to the first point where the Skagit-Whatcom County line turns SE; SE from the Skagit-Whatcom County line to Carter Point on Lummi Island; SW down the middle of Bellingham Channel to a point due W of Kelly's Point on Guemes Island and including Cypress Island; W to the Skagit-San Juan County line; S through Rosario Strait on the San Juan-Skagit County line to the San Juan-Skagit-Island County line; E on the Skagit-Island County line through Deception Pass and S through Skagit Bay to the Island-Snohomish-Skagit County junction; SE on the Island-Snohomish County line through Davis Slough, Juniper Beach, Port Susan, Possession Sound to the Island-Kitsap County line; NW on the Island-Kitsap-Jefferson County line through Puget Sound, Admiralty Inlet, and the Strait of Juan De Fuca; W on the Clallam-Jefferson-San Juan County lines to the US-Canadian border; N on the US-Canadian border, through Middle Bank, Haro Strait, and Boundary Pass, to the northernmost corner of San Juan-Whatcom County line and the point of beginning.
GMU 411-ORCAS (San Juan County):
Includes all of Orcas Island
GMU 412-SHAW (San Juan County):
Includes all of Shaw Island
GMU 413-SAN JUAN (San Juan County):
Includes all of San Juan Island
GMU 414-LOPEZ (San Juan County):
Includes all of Lopez Island
GMU 415-BLAKELY (San Juan County):
Includes all of Blakely Island
GMU 416-DECATUR (San Juan County):
Includes all of Decatur Island
GMU 417-CYPRESS (Skagit County):
Includes all of Cypress Island
GMU 418-NOOKSACK (Whatcom and Skagit counties):
Beginning at the US-Canadian border and the western border of the North Cascades National Park; S on the North Cascades National Park boundary to Noisy Diobsud Wilderness Area boundary; W and S on Noisy Diobsud Wilderness Area boundary to a point due E of the head waters of Watson Creek; W to the headwaters of Watson Creek; S down Watson Creek to Thunder Creek; W down Thunder Creek to Baker River Rd; S along Baker River Rd to State Route (SR) 20 at the town of Concrete; W along SR 20 to SR 9 at the town of Sedro-Woolley; N along SR 9 to Mosquito Lake Rd; N on the Mosquito Lake Rd to SR 542 (Mount Baker Hwy); N on SR 542 to the Silver Lake Rd; N on the Silver Lake Rd to its northern most point; N from the Silver Lake Rd to the US-Canadian border; E on the US-Canadian border to the western border of the North Cascades National Park and the point of beginning.
GMU 419-GUEMES (Skagit County):
Includes all of Guemes Island
GMU 420-WHIDBEY (Island County):
Includes all of Whidbey Island
GMU 421-CAMANO (Island County):
Includes all of Camano Island
GMU 422-VASHON-MAURY (King County):
Includes all of Vashon and Maury Islands
GMU 423-HENRY ISLAND (San Juan County):
Includes all of Henry Island
GMU 424-STUART ISLAND (San Juan County):
Includes all of Stuart Island
GMU 426-DIABLO (Skagit and Whatcom counties):
Beginning at the US-Canadian border and the western boundary of the Ross Lake National Recreation Area; S on the Ross Lake National Recreation Area boundary, across SR 20 (North Cascades Hwy) and Skagit River, then NE and E on the Ross Lake National Recreation Area boundary to a point 2 miles east of Panther Creek, where the recreation boundary connects with the Okanogan National Forest boundary; S on North Cascades National Park boundary to the Skagit-Chelan County line at Fisher Peak; SE along the Skagit-Chelan County line to the US Forest Service (USFS) Trail 2000 (Pacific Crest National Scenic Trail); N on the USFS Trail 2000 to the Pasayten Wilderness boundary at Jim Pass; W along the Pasayten Wilderness boundary to the Ross Lake National Recreation Area boundary; N along the Ross Lake National Recreation Area-Pasayten Wilderness Area boundary to the US-Canadian border; W along the US-Canadian border to the NW corner of the Ross Lake National Recreation Area and the point of beginning.
GMU 437-SAUK (Skagit and Snohomish counties):
Beginning at the intersection of State Route (SR) 9 and SR 20, W of the town of Sedro-Woolley; E along SR 20 to Baker River Rd at the town of Concrete; N on Baker River Rd to Thunder Creek; E up Thunder Creek to Watson Creek; N up Watson Creek to its headwaters; E from the headwaters of Watson Creek to Noisy Diobsud Wilderness boundary; N and E on Noisy Diobsud Wilderness boundary to North Cascades National Park boundary; S and E along the North Cascades National Park boundary to the Ross Lake National Recreation boundary; S along the Ross Lake National Recreation Area boundary, across the SR 20 (North Cascade Hwy) and the Skagit River, then E along the Ross Lake National Recreation Area boundary to the North Cascades National Park boundary near Big Devil Peak; SE on the North Cascades National Park boundary to the Cascade River Rd; S on Cascade River Rd to US Forest Service (USFS) Rd 1590; S on USFS Rd 1590 to USFS Trail 769 (South Fork Cascade River Trail); S on USFS Trail 769 to the Glacier Peak Wilderness Area boundary; W and S on Glacier Peak Wilderness Area Boundary to the Suiattle River; W down the Suiattle River to the Sauk River; N on the Sauk River to SR 530 (Sauk Valley Rd); S on SR 530 to the town of Darrington; W on SR 530 to SR 9 at the town of Arlington; N on SR 9 to SR 20, W of the town of Sedro-Woolley, and the point of beginning.
GMU 448-STILLAGUAMISH (Snohomish and Skagit counties):
Beginning at the intersection of State Route (SR) 530 (Arlington-Darrington Hwy) and Jim Creek Rd at the town of Trafton; NE on SR 530 to the town of Darrington, where it is called Seeman St; N on SR 530 (Sauk Valley Rd) to the Sauk River; S on the Sauk River to Suiattle River; E along the Suiattle River to the Glacier Peak Wilderness Area boundary; S on the Glacier Peak Wilderness Area boundary to US Forest Service (USFS) Trail 650, West of June Mountain; W on the (USFS) Trail 650 to (USFS) Trail 1050 (Quartz Creek Trail) at Curry Gap; S on the USFS Trail 1050 to USFS Rd 6300; E on USFS Rd 6300 to USFS Trail 1051; NE on Trail 1051 to Henry M. Jackson Wilderness boundary; S along the Henry M. Jackson Wilderness boundary to Meadow Creek; S down Meadow Creek to Rapid River; E up Rapid River to USFS Trail 2000 (Pacific Crest National Scenic Trail) at Lake Janus; S on the USFS 2000 to SR 2 at Stevens Pass; W on SR 2 to Woods Creek Rd at the town of Monroe; N on Woods Creek Rd to 242nd St SE; N on 242nd St SE to South Lake Roesiger Rd; N on South Lake Roesiger Rd to North Lake Roesiger Rd; N on North Lake Roesiger Rd to Menzel Lake Rd; N on Menzel Lake Rd to East Pioneer St; W on East Pioneer St to South Alder Ave; N on South Alder Ave to SR 92 (E Stanley St); W on SR 92 to Jordan Rd; NW on Jordan Rd, through the town of Jordan, to the City of Seattle power transmission lines; NE on the transmission lines to Jim Creek-Trafton Rd (242nd St. NE); W on Jim Creek-Trafton Rd to SR 530 at the town of Trafton and the point of beginning.
GMU 450-CASCADE (Skagit and Snohomish counties): Beginning on the Glacier Peak Wilderness boundary and Jordan Creek, W of Jordan Lakes; N and E on the wilderness boundary to US Forest Service (USFS) Trail 769; N on USFS Trail 769 to USFS Rd 1590; N on USFS Rd 1590 to the USFS Rd 15 (Cascade River Rd); N on USFS Rd 15 to the North Cascades National Park boundary; E on the North Cascades National Park boundary to USFS Trail 2000 (Pacific Crest National Scenic Trail); S on USFS Trail 2000 to the Rapid River at Lake Janus; NW down the Rapid River to Meadow Creek; N up Meadow Creek to Henry M. Jackson Wilderness Area boundary; N along the Henry M. Jackson Wilderness boundary to USFS Trail 1051; S on USFS Trail 1051 to USFS Rd 6300; W on USFS Rd 6300 to USFS Trail 1050; N on USFS Trail 1050 to USFS Trail 650 at Curry Gap; E on USFS Trail 650 to the Glacier Peak Wilderness boundary west of June Mountain; N on the Glacier Peak Wilderness boundary, across the Suiattle River, to Jordan Creek and the point of beginning.
GMU 454-ISSAQUAH (King and Snohomish counties); (does not include Vashon-Maury Island):
Beginning at the mouth of the Snohomish River at the city of Everett; SE up the Snohomish River to the Snoqualmie River; SE up the Snoqualmie River to Peoples Creek; N, E and S on Peoples Creek to State Route (SR) 203 ; S on SR 203 to SR 202 (Fall City-Snoqualmie Rd) at the town of Fall City; S on SR 202 (Fall City-Snoqualmie Rd) across the Snoqualmie River, to Preston-Fall City Rd; SW on Preston-Fall City Rd to SE 82nd St at the town of Preston; E on SE 82nd St to Interstate Hwy (I)-90; E on I-90 to SR 18; S on SR 18 to the Raging River; SE along the Raging River to Kerriston Rd; S on Kerriston Rd to the City of Seattle Cedar River Watershed boundary; W, S and E along the Cedar River Watershed boundary to the posted GMU 485 boundary encompassing the controlled access portion of the Green River Watershed; W, S and E along the posted GMU 485 boundary encompassing the controlled access portion of the Green River Watershed to USFS Rd 7110 (Weyerhaeuser (Weyco) 5200 line) near Lynn Lake; SW on USFS Rd 7110 (Weyco 5200 line) to SR 410; W on SR 410 to SR 164 at the city of Enumclaw; W on SR 164 to SR 18 at the city of Auburn; W on SR 18 to SR 99; N on SR 99 to SR 509; W on SR 509 to Redondo Way South; NW on Redondo Way South to the town of Redondo on Puget Sound; SW across East Passage to the Pierce-King County line at the point where the county line turns southeast, northwest of Dash Point; W and N along the King County line, excluding Vashon-Maury Island; to the King, Snohomish, and Kitsap counties line junction in the Puget Sound west of Point Wells; N on the Snohomish County line through Possession Sound to a point on the Snohomish County line due west of the northern tip of Gedney Island (Hat Island); E to the northern tip of Gedney Island; E from the northern tip of Gedney Island to the mouth of the Snohomish River and the point of beginning.
GMU 460-SNOQUALMIE (King and Snohomish counties):
Beginning at State Route (SR) 203 and SR 2 at the town of Monroe; E on SR 2 to US Forest Service (USFS) Trail 2000 (Pacific Crest National Scenic Trail) at Stevens Pass; S on the USFS Trail 2000 to the City of Seattle Cedar River Watershed; W on the Cedar River Watershed boundary to Kerriston Rd; N on Kerriston Rd to the Raging River; W and N along the Raging River to SR 18; N on SR 18 to Interstate Hwy (I)-90; W on I-90 to SE 82nd St at the town of Preston; NE on SE 82nd St to Preston-Fall City Rd; N on the Preston-Fall City Rd to SR 202 (Fall City-Snoqualmie Rd); N on SR 202 (Fall City-Snoqualmie Rd), across the Snoqualmie River, to SR 203; N on SR 203 to SR 2 at the town of Monroe and the point of beginning.
GMU 466-STAMPEDE (King County):
Beginning on the US Forest Service (USFS) Trail 2000 (Pacific Crest National Scenic Trail) and the east boundary of the City of Seattle Cedar River Watershed; S on the USFS Trail 2000, past Blowout Mountain, to USFS Rd 7038 at its closest point to the USFS Trail 2000 near Windy Gap north of Pyramid Peak; NW on USFS Rd 7038 to USFS Rd 7036; NW on USFS Rd 7036 to USFS Rd 7030; NW on USFS Rd 7030 to USFS Rd 7032; NW on USFS Rd 7032 to USFS Trail 1172; W on USFS Trail 1172 to the posted GMU 485 boundary encompassing the controlled access portion of the Green River Watershed; N, W and E along the posted GMU 485 boundary encompassing the controlled access portion of the Green River Watershed to the City of Seattle Cedar River Watershed boundary; N along City of Seattle Cedar River Watershed boundary to USFS Trail 2000 and the point of beginning.
GMU 485-GREEN RIVER (King County):
The area within the posted GMU 485 boundary encompassing the controlled access portion of the Green River Watershed; including the posted southern boundary of the City of Seattle Cedar River Watershed found between the E and W posted GMU 485 boundary lines.
GMU 490-CEDAR RIVER (King County):
The area within the posted boundary of the city of Seattle's Cedar River Watershed.
Wash. Admin. Code § 220-410-040
Statutory Authority: RCW 77.12.047. 11-11-013 (Order 11-86), § 232-28-334, filed 5/6/11, effective 6/6/11; 03-16-087 (Order 03-175), § 232-28-334, filed 8/5/03, effective 9/5/03; 03-06-110 (Order 03-23), § 232-28-334, filed 3/5/03, effective 4/5/03.