Almost 8000

Beaver Hill Fire LOT

Bland Mountain Fire LOT

Buck Peak Lookout (Site)

Burnt Peak Lookout Site

Butler Butte Lookout Site

Calimus Butte Lookout

Callahan Mountain Fire LOT

Cape Mountain Lookout Resurrected

Cedar Butte Trail/Lookout

Diamond Rock LOT

Dutchman Butte Lookout Tower

Dutchman Peak Lookout

Hembre Ridge

Hinkle Butte Fire LOT

Huckleberry Mtn Lookout

OK so this one's in California, but I couldn't help listing it here. The COs of this cache have placed quite a number I have found in Oregon, plus it's so close to the state line anyway!

Hungry Creek Fire Lookout Site

Kelsay Valley Point Lookout Site

King Mtn Fire Lookout Site

Larison Lookout

Caches at Oregon lookout-tower sites, found after fulfillment of the Oregon Forest-Fire Lookout Challenge (GC15CVW).

Oregon Lookout Tower Caches, Above and Beyond

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Oregon Lookout Tower Caches, Above and BeyondPublic