Oregon dark-sky map — light pollution by town

58 towns rated · darkest: Agate Beach · measured from VIIRS 2024 satellite night-lights

Oregon has 58 towns rated for light pollution here, from its darkest — Agate Beach (Bortle 5) — to its brightest city cores, with 0 rating as genuinely dark or rural sky (Bortle 4 or better). Every town is listed with the nearest measurably darker town to drive to. No site in the state holds an International Dark Sky Place certification, so its darkest skies are the rural towns at the top of the table. Ratings are a VIIRS satellite proxy, not survey-grade sky-brightness readings.

Statewide Oregon · VIIRS 2024
Towns rated
58

0 rate as genuinely dark or rural sky (about Bortle 4 or better).

Darkest town
Agate Beach
Genuinely dark towns
0
Certified dark-sky places
0

Nearest certified dark-sky places to Oregon

No site in Oregon holds an International Dark Sky Place certification. Measured from Agate Beach, the state's darkest rated town, these are the nearest certified destinations — all 92 are on the map.

Nearest certified International Dark Sky Places to Agate Beach, Oregon.
Place Designation State From Agate Beach
Central Idaho Dark Sky Reserve Dark Sky Reserve Idaho 460 mi
Ketchum Dark Sky Community Idaho 485 mi
Craters of the Moon National Monument and Preserve Dark Sky Park Idaho 530 mi

All Oregon towns by darkness

Darkest sky first, each with the nearest measurably darker town to drive to. Sort or filter below.

Oregon towns, darkest sky first.
Sky Nearest darker sky
Agate Beach 5 Suburban sky 3.6 Camano, WA — B4, 250 mi
Damascus 5 Suburban sky 5.9 Camano, WA — B4, 190 mi
Oatfield 5 Suburban sky 7.9 Camano, WA — B4, 190 mi
Oak Grove 6 Bright suburban sky 10 Oatfield — B5, 2 mi
Ashland 6 Bright suburban sky 11 Bayside, CA — B4, 115 mi
Saint Helens 6 Bright suburban sky 11 Oatfield — B5, 33 mi
Happy Valley 6 Bright suburban sky 13 Damascus — B5, 4 mi
Dallas 6 Bright suburban sky 13 Agate Beach — B5, 40 mi
Sandy 6 Bright suburban sky 13 Damascus — B5, 10 mi
The Dalles 6 Bright suburban sky 14 Damascus — B5, 63 mi
Lake Oswego 6 Bright suburban sky 14 Oatfield — B5, 3 mi
Bethany 6 Bright suburban sky 15 Oatfield — B5, 16 mi
Newberg 6 Bright suburban sky 16 Oatfield — B5, 20 mi
Monmouth 6 Bright suburban sky 16 Agate Beach — B5, 42 mi
Oregon City 6 Bright suburban sky 17 Oatfield — B5, 4 mi
Forest Grove 6 Bright suburban sky 18 Oatfield — B5, 26 mi
Altamont 6 Bright suburban sky 19 Bayside, CA — B4, 155 mi
Wilsonville 6 Bright suburban sky 19 Oatfield — B5, 12 mi
Woodburn 6 Bright suburban sky 19 Oatfield — B5, 22 mi
Sherwood 6 Bright suburban sky 20 Oatfield — B5, 12 mi
West Linn 6 Bright suburban sky 20 Oatfield — B5, 3 mi
Cornelius 6 Bright suburban sky 20 Oatfield — B5, 23 mi
Oak Hills 7 Suburban / urban transition 22 Bethany — B6, 2 mi
Roseburg 7 Suburban / urban transition 22 Ashland — B6, 78 mi
Troutdale 7 Suburban / urban transition 22 Camas, WA — B6, 3 mi
Aloha 7 Suburban / urban transition 23 Bethany — B6, 4 mi
Lebanon 7 Suburban / urban transition 23 Monmouth — B6, 27 mi
McMinnville 7 Suburban / urban transition 24 Newberg — B6, 13 mi
Coos Bay 7 Suburban / urban transition 24 Agate Beach — B5, 91 mi
Springfield 7 Suburban / urban transition 25 Monmouth — B6, 56 mi
Keizer 7 Suburban / urban transition 26 Woodburn — B6, 14 mi
Newport 7 Suburban / urban transition 26 Agate Beach — B5, 3 mi
Gresham 7 Suburban / urban transition 26 Damascus — B5, 6 mi
Pendleton 7 Suburban / urban transition 27 West Richland, WA — B6, 52 mi
La Grande 7 Suburban / urban transition 27 West Richland, WA — B6, 91 mi
Corvallis 7 Suburban / urban transition 27 Monmouth — B6, 20 mi
Milwaukie 7 Suburban / urban transition 27 Oak Grove — B6, 2 mi
Bend 7 Suburban / urban transition 27 Sandy — B6, 105 mi
Central Point 7 Suburban / urban transition 27 Ashland — B6, 16 mi
Cedar Mill 7 Suburban / urban transition 28 Bethany — B6, 4 mi
Gladstone 7 Suburban / urban transition 29 West Linn — B6, 1 mi
Canby 7 Suburban / urban transition 29 Wilsonville — B6, 5 mi
Redmond 7 Suburban / urban transition 30 The Dalles — B6, 91 mi
Klamath Falls 7 Suburban / urban transition 30 Altamont — B6, 3 mi
Hayesville 7 Suburban / urban transition 30 Woodburn — B6, 13 mi
Tigard 7 Suburban / urban transition 34 Lake Oswego — B6, 5 mi
Albany 7 Suburban / urban transition 35 Monmouth — B6, 16 mi
Ontario 7 Suburban / urban transition 35 Nampa, ID — B6, 39 mi
Grants Pass 7 Suburban / urban transition 36 Ashland — B6, 36 mi
Four Corners 7 Suburban / urban transition 37 Monmouth — B6, 13 mi
Tualatin 7 Suburban / urban transition 37 Sherwood — B6, 4 mi
Hermiston 7 Suburban / urban transition 38 West Richland, WA — B6, 32 mi
Hillsboro 8 City sky 50 Cornelius — B6, 3 mi
Beaverton 8 City sky 51 Cedar Mill — B7, 3 mi
Medford 8 City sky 56 Central Point — B7, 4 mi
Salem 8 City sky 67 Four Corners — B7, 3 mi
Eugene 8 City sky 71 Springfield — B7, 3 mi
Portland 9 Inner-city sky 115 Milwaukie — B7, 6 mi

Frequently asked questions

Where are the darkest skies in Oregon?
The darkest town tracked here is Agate Beach. Sort the table on this page by darkness to see the full ranking, from the most rural, star-filled skies down to the brightest city cores.
How many dark-sky towns does Oregon have?
Of 58 towns rated here, 0 rate as genuinely dark or rural sky (about Bortle 4 or better) — good for seeing the Milky Way on a clear, moonless night.
How are these light-pollution ratings measured?
From VIIRS 2024 annual-average satellite night-lights, sampled at each town's center and mapped to a darkness class and an estimated Bortle band. It is a satellite upward-radiance proxy for planning, not a survey-grade sky-brightness reading. See the methodology page for details.

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