Oregon/Washington · 220 of 1,120 · BLM's list, read Oct 20, 2026
Oregon/Washington
220 areas, 917,242 acres, some of them in Washington, which BLM's Oregon/Washington office also manages. At least 163 of them have a claim, lease or right of way inside the line, or a grazing allotment across it.
Every Area of Critical Environmental Concern BLM's Oregon/Washington office holds, the ones with the most inside the line first. Each row opens the area's page: its line, what BLM found there and what sits inside it.
Every area, the most inside first
- Sandy River11,447 acres · 48 rights of way48inside
- John Day Paleontology31,527 acres · 4 rights of way, 31 grazing allotments covering part of it35inside
- Grande Ronde16,971 acres · 13 rights of way, 21 grazing allotments covering part of it34inside
- Stockade Mountain1,768 acres · at least 25 active mining claims and 2 more BLM lists as Filed, a grazing allotment covering part of it26inside
- Hunter Creek Bog721 acres · at least 25 active mining claims, 1 right of way26inside
- Peck's Milkvetch14,118 acres · 18 rights of way, 6 grazing allotments covering part of it24inside
- Oregon Trail1,902 acres · 3 rights of way, 15 grazing allotments covering part of it18inside
- Keating Riparian2,019 acres · at least 3 active mining claims and 58 more BLM lists as Filed, 1 right of way, 11 grazing allotments covering part of it15inside
- Owyhee Below Dam11,225 acres · at least 1 active mining claim, 8 rights of way, 5 grazing allotments covering part of it14inside
- Low Elevation Headwaters of the McKenzie River10,633 acres · 14 rights of way14inside
- Upper Willamette Valley Margin5,968 acres · 14 rights of way14inside
- Horn Butte7,152 acres · 6 rights of way, 7 grazing allotments covering part of it13inside
- Kiger Mustang55,561 acres · 2 rights of way, 10 grazing allotments covering part of it12inside
- Juniper Forest12,928 acres · 6 rights of way, 5 grazing allotments covering part of it11inside
- Owyhee Views52,589 acres · at least 1 mining claim BLM lists as Filed, 1 right of way, 9 grazing allotments covering part of it10inside
- French Flat654 acres · at least 3 active mining claims and 1 more BLM lists as Filed, 6 rights of way, a grazing allotment covering part of it10inside
- Oregon Trail, Keeney Pass3,165 acres · 3 oil and gas leases, 1 geothermal lease, 5 rights of way, a grazing allotment covering part of it10inside
- Lake Abert50,128 acres · 3 rights of way, 6 grazing allotments covering part of it9inside
- Abert Rim18,039 acres · 1 right of way, 8 grazing allotments covering part of it9inside
- Powder River5,909 acres · 2 rights of way, 7 grazing allotments covering part of it9inside
- Eight Dollar Mountain1,251 acres · at least 4 active mining claims and 6 more BLM lists as Filed, 3 rights of way, a grazing allotment covering part of it8inside
- Warner Wetlands51,847 acres · 1 right of way, 7 grazing allotments covering part of it8inside
- North Fork John Day River16,808 acres · 3 rights of way, 5 grazing allotments covering part of it8inside
- Biscuitroot6,517 acres · 4 rights of way, 4 grazing allotments covering part of it8inside
- Yakima River Canyon5,227 acres · 5 rights of way, 3 grazing allotments covering part of it8inside
- East Fork Whiskey Creek3,131 acres · at least 8 active mining claims8inside
- Waldo-Takilma1,546 acres · at least 5 active mining claims, 2 rights of way, a grazing allotment covering part of it8inside
- High Lakes38,952 acres · 3 rights of way, 4 grazing allotments covering part of it7inside
- Devils Garden Lava Beds28,244 acres · 7 grazing allotments covering part of it7inside
- Homestead8,749 acres · 1 right of way, 6 grazing allotments covering part of it7inside
- North Fork Crooked River6,892 acres · 1 right of way, 6 grazing allotments covering part of it7inside
- Rough and Ready1,128 acres · at least 3 active mining claims, 3 rights of way, a grazing allotment covering part of it7inside
- Oregon Trail, Tub Mountain5,910 acres · at least 2 active mining claims, 2 oil and gas leases, 2 grazing allotments covering part of it6inside
- Coal Creek764 acres · 5 rights of way, a grazing allotment covering part of it6inside
- Keating Riparian RNA206 acres · at least 14 mining claims BLM lists as Filed, 5 grazing allotments covering part of it5inside
- Jordan Craters31,356 acres · 5 grazing allotments covering part of it5inside
- Red Knoll11,119 acres · 5 grazing allotments covering part of it5inside
- Table Rock5,139 acres · 3 rights of way, 2 grazing allotments covering part of it5inside
- Upper Klamath River4,781 acres · 2 rights of way, 3 grazing allotments covering part of it5inside
- Tum Tum Lake1,695 acres · 5 grazing allotments covering part of it5inside
- Cobleigh Road1,100 acres · 3 rights of way, 2 grazing allotments covering part of it5inside
- Wagon Roads1,016 acres · 1 right of way, 4 grazing allotments covering part of it5inside
- Unity Reservoir Bald Eagle Nest Habitat356 acres · 5 grazing allotments covering part of it5inside
- Roman Nose53 acres · 5 rights of way5inside
- West Fork Illinois River1,285 acres · at least 6 mining claims BLM lists as Filed, 4 rights of way4inside
- Castle Rock22,811 acres · 1 right of way, 3 grazing allotments covering part of it4inside
- Rahilly-Gravelly18,718 acres · 4 grazing allotments covering part of it4inside
- Diamond Craters17,034 acres · 2 rights of way, 2 grazing allotments covering part of it4inside
- Dry Creek Gorge16,106 acres · 4 grazing allotments covering part of it4inside
- Fish Creek Rim8,718 acres · 4 grazing allotments covering part of it4inside
- Sheep Mountain5,294 acres · 3 rights of way, a grazing allotment covering part of it4inside
- Spanish Lake4,695 acres · 4 grazing allotments covering part of it4inside
- Deer Creek4,097 acres · at least 2 active mining claims, 2 rights of way4inside
- Rock Island Canyon2,203 acres · 1 right of way, 3 grazing allotments covering part of it4inside
- Willamette Valley Prairie Oak and Pine Area1,664 acres · 4 rights of way4inside
- Valley of the Giants1,661 acres · 4 rights of way4inside
- Yainax Butte706 acres · 2 rights of way, 2 grazing allotments covering part of it4inside
- Alvord Desert21,643 acres · 3 grazing allotments covering part of it3inside
- Leslie Gulch11,683 acres · 2 rights of way, a grazing allotment covering part of it3inside
- Black Canyon - P6,639 acres · 3 grazing allotments covering part of it3inside
- North Bank6,527 acres · 3 rights of way3inside
- South Fork Crooked River3,619 acres · 3 grazing allotments covering part of it3inside
- Black Canyon - V2,600 acres · 3 grazing allotments covering part of it3inside
- South Fork Walla Walla River2,041 acres · 3 rights of way3inside
- Rocky Peak1,829 acres · 3 rights of way3inside
- North Fork Malheur River1,775 acres · 3 grazing allotments covering part of it3inside
- North Ridge Bully Creek1,569 acres · 3 grazing allotments covering part of it3inside
- East Kiger Plateu1,216 acres · 3 grazing allotments covering part of it3inside
- New River1,135 acres · 2 rights of way, a grazing allotment covering part of it3inside
- Tumalo Canal1,062 acres · 3 grazing allotments covering part of it3inside
- South Bull Canyon771 acres · 3 grazing allotments covering part of it3inside
- Coal Mine Basin756 acres · 3 grazing allotments covering part of it3inside
- Benjamin637 acres · 3 grazing allotments covering part of it3inside
- Little Vulcan Mountain623 acres · 1 right of way, 2 grazing allotments covering part of it3inside
- Camas Swale315 acres · 3 rights of way3inside
- McGowan Meadow71 acres · 3 rights of way3inside
- Honeycombs15,868 acres · at least 1 active mining claim, a grazing allotment covering part of it2inside
- Saddle Butte7,061 acres · 2 grazing allotments covering part of it2inside
- Armstrong Canyon3,882 acres · 1 right of way, a grazing allotment covering part of it2inside
- Lake Ridge3,860 acres · 2 grazing allotments covering part of it2inside
- South Alkali Sand Hills3,523 acres · 1 oil and gas lease, a grazing allotment covering part of it2inside
- Joseph Creek3,503 acres · 2 grazing allotments covering part of it2inside
- Foster Flat2,687 acres · 2 grazing allotments covering part of it2inside
- Ferry Canyon2,365 acres · 2 grazing allotments covering part of it2inside
- Foley Lake2,221 acres · 2 grazing allotments covering part of it2inside
- Table Rocks2,103 acres · 1 right of way, a grazing allotment covering part of it2inside
- Dakubetede1,782 acres · 2 grazing allotments covering part of it2inside
- Grass Mountain1,311 acres · 2 rights of way2inside
- Crabtree Complex1,254 acres · 2 rights of way2inside
- Yellowstone Creek804 acres · 2 rights of way2inside
- Logan Butte792 acres · 2 grazing allotments covering part of it2inside
- North Spit710 acres · 2 rights of way2inside
- Mahogany Ridge682 acres · 2 grazing allotments covering part of it2inside
- Serrano Point679 acres · 2 grazing allotments covering part of it2inside
- Marys Peak492 acres · 2 rights of way2inside
- Fir Groves478 acres · 2 grazing allotments covering part of it2inside
- North Myrtle Creek453 acres · 2 rights of way2inside
- Horse Rock Ridge370 acres · 2 rights of way2inside
- Winter Roost336 acres · 2 grazing allotments covering part of it2inside
- Woodcock Bog264 acres · at least 1 active mining claim, 1 right of way2inside
- Yakima River Cliffs - Umtanum Ridge230 acres · 1 right of way, a grazing allotment covering part of it2inside
- South Narrows161 acres · 2 grazing allotments covering part of it2inside
- Sterling Mine Ditch143 acres · 2 grazing allotments covering part of it2inside
- Wilhoit Springs136 acres · 2 rights of way2inside
- Forest Creek - Fox Canyon131 acres · 2 grazing allotments covering part of it2inside
- Earthquake Point68 acres · 2 grazing allotments covering part of it2inside
- Lost Forest-Sand Dunes-Fossil Lake26,743 acres · a grazing allotment covering part of it1inside
- Hawksie-Walksie17,300 acres · a grazing allotment covering part of it1inside
- Guano Creek-Sink Lakes11,186 acres · a grazing allotment covering part of it1inside
- Lost Forest8,923 acres · a grazing allotment covering part of it1inside
- Juniper Mountain6,330 acres · a grazing allotment covering part of it1inside
- Toppin Creek Butte3,998 acres · a grazing allotment covering part of it1inside
- Hammond Hill Sand Hills3,716 acres · a grazing allotment covering part of it1inside
- Connley Hills3,600 acres · a grazing allotment covering part of it1inside
- Wood River Wetland3,173 acres · 1 right of way1inside
- Black Hills3,048 acres · a grazing allotment covering part of it1inside
- Pueblo Foothills2,424 acres · a grazing allotment covering part of it1inside
- Dry Mountain2,130 acres · a grazing allotment covering part of it1inside
- Silver Creek1,934 acres · a grazing allotment covering part of it1inside
- Big Alvord Creek1,677 acres · a grazing allotment covering part of it1inside
- Dry Creek Bench1,637 acres · a grazing allotment covering part of it1inside
- Snow Peak1,188 acres · 1 right of way1inside
- Spring Mountain995 acres · a grazing allotment covering part of it1inside
- Palomino Playa643 acres · a grazing allotment covering part of it1inside
- South Ridge Bully Creek620 acres · a grazing allotment covering part of it1inside
- Cowiche Canyon613 acres · a grazing allotment covering part of it1inside
- Cherry Creek612 acres · 1 right of way1inside
- Horse Ridge609 acres · a grazing allotment covering part of it1inside
- Round Top Butte606 acres · a grazing allotment covering part of it1inside
- Borax Lake600 acres · a grazing allotment covering part of it1inside
- Mickey Basin560 acres · a grazing allotment covering part of it1inside
- Upper Klamath River Addition540 acres · a grazing allotment covering part of it1inside
- Powell Butte510 acres · a grazing allotment covering part of it1inside
- North Fork Silver Creek494 acres · 1 right of way1inside
- Long Draw441 acres · a grazing allotment covering part of it1inside
- North Fork Chetco423 acres · 1 right of way1inside
- Holton Creek421 acres · a grazing allotment covering part of it1inside
- East Fork Trout Creek361 acres · a grazing allotment covering part of it1inside
- Bear Gulch350 acres · 1 right of way1inside
- China Wall332 acres · 1 right of way1inside
- Lower Scappoose Eagle314 acres · 1 right of way1inside
- Saddle Bag Mountain304 acres · 1 right of way1inside
- Forest Creek - Rough Canyon239 acres · a grazing allotment covering part of it1inside
- Upper Elk Meadows214 acres · 1 right of way1inside
- Waldo-Takilma213 acres · a grazing allotment covering part of it1inside
- Brewster Roost200 acres · 1 right of way1inside
- McCoy Canyon165 acres · a grazing allotment covering part of it1inside
- Fox Hollow160 acres · 1 right of way1inside
- Mendi Gore Playa149 acres · a grazing allotment covering part of it1inside
- Oregon Trail, Birch Creek119 acres · a grazing allotment covering part of it1inside
- Reeves Creek119 acres · a grazing allotment covering part of it1inside
- Bumpheads113 acres · a grazing allotment covering part of it1inside
- Hot Lakes80 acres · a grazing allotment covering part of it1inside
- Colockum Creek80 acres · a grazing allotment covering part of it1inside
- Hole-In-The-Rock63 acres · a grazing allotment covering part of it1inside
- Rough and Ready62 acres · a grazing allotment covering part of it1inside
- Little Whitehorse Creek61 acres · a grazing allotment covering part of it1inside
- Nails Creek57 acres · 1 right of way1inside
- Baker Cypress43 acres · a grazing allotment covering part of it1inside
- Mickey Hot Springs42 acres · a grazing allotment covering part of it1inside
- Poverty Flat29 acres · a grazing allotment covering part of it1inside
- Myrtle Island25 acres · 1 right of way1inside
- Jordan Creek21 acres · 1 right of way1inside
- Little Blitzen2,255 acres · nothing placed inside0inside
- Wassen Creek1,961 acres · nothing placed inside0inside
- North Fork Hunter Creek1,925 acres · nothing placed inside0inside
- Bobby Creek1,913 acres · nothing placed inside0inside
- Little North Fork Wilson River1,826 acres · nothing placed inside0inside
- Brewer Spruce1,705 acres · nothing placed inside0inside
- High Peak - Moon Creek1,501 acres · nothing placed inside0inside
- Hunt Mountain1,237 acres · nothing placed inside0inside
- Beatty Creek1,181 acres · nothing placed inside0inside
- Nestucca River1,180 acres · nothing placed inside0inside
- Bushnell-Irwin Rocks1,089 acres · nothing placed inside0inside
- Grayback Glades1,019 acres · nothing placed inside0inside
- Elk Creek933 acres · nothing placed inside0inside
- Rooster Comb683 acres · nothing placed inside0inside
- Rickreall Ridge605 acres · nothing placed inside0inside
- Keystone Point561 acres · nothing placed inside0inside
- Pipe Fork517 acres · nothing placed inside0inside
- Brownson Ridge389 acres · nothing placed inside0inside
- Upper Rock Creek363 acres · nothing placed inside0inside
- Esmond Lake351 acres · nothing placed inside0inside
- Soosap Meadows343 acres · nothing placed inside0inside
- Mohawk290 acres · nothing placed inside0inside
- Tater Hill266 acres · nothing placed inside0inside
- Little Wildhorse Lake241 acres · nothing placed inside0inside
- Euphoria Ridge241 acres · nothing placed inside0inside
- Oak Basin Prairies224 acres · nothing placed inside0inside
- Heceta Sand Dunes211 acres · nothing placed inside0inside
- Middle Santiam Terrrace206 acres · nothing placed inside0inside
- The Island199 acres · nothing placed inside0inside
- South Fork Willow Creek186 acres · nothing placed inside0inside
- Forest Peak160 acres · nothing placed inside0inside
- Red Pond141 acres · nothing placed inside0inside
- North Fork Coquille River131 acres · nothing placed inside0inside
- Sentinel Slope124 acres · nothing placed inside0inside
- Silt Creek119 acres · nothing placed inside0inside
- Mill Creek Ridge111 acres · nothing placed inside0inside
- Lorane Ponderosa Pine106 acres · nothing placed inside0inside
- McCully Mountain102 acres · nothing placed inside0inside
- Yakima River - Columbia River Island88 acres · nothing placed inside0inside
- Callahan Meadows82 acres · nothing placed inside0inside
- Little Sink80 acres · nothing placed inside0inside
- Pickett Creek78 acres · nothing placed inside0inside
- Cottage Grove Old Growth77 acres · nothing placed inside0inside
- King Mountain Rock Garden67 acres · nothing placed inside0inside
- White Rock Fen66 acres · nothing placed inside0inside
- Grassy Mountain65 acres · nothing placed inside0inside
- Grandmother's Grove63 acres · nothing placed inside0inside
- Lost Prairie61 acres · nothing placed inside0inside
- Lake Creek Falls54 acres · nothing placed inside0inside
- Garoutte Prairie46 acres · nothing placed inside0inside
- Tioga Creek42 acres · nothing placed inside0inside
- The Butte41 acres · nothing placed inside0inside
- Ferguson Creek23 acres · nothing placed inside0inside
- Walker Flat11 acres · nothing placed inside0inside
- Dorena Prairie9.6 acres · nothing placed inside0inside
- Cougar Mountain Yew Grove9.3 acres · nothing placed inside0inside
- Waterloo7.5 acres · nothing placed inside0inside
SheetOregon/WashingtonLines220Acres917,242Inked1986 to 2016ReadOct 20, 2026
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