One location near by is the county park, SALMONBERRY CAMPGROUND (BENTON COUNTY PARK)
CORVALLIS, OR Benton, Linn County
Public - Good paved access rd. (West of town) From town, W 30 mi on Hwy 34 (L). Good gravel interior rds. Handicap Access.
SITES: Avail: 13 gravel, 7 grass, some shade, 10 day max stay, back-ins (22 x 60). FAC: Restrooms only.
REC: Alsea River, river, swimming, freshwater fishing, boat ramp, rec field.
Last year's rates: $10. no reservations. (541)757-6871. Open from May 15 to Oct 15.
There is the Albany-Covallis KOA, Last year's rates: $26 to $35. TL RATING: Park: 8, Restrooms: 8.5, Visual: 8. (800)562-8526.
Also closer to Albany is the Knox Butte RV Park, Last year's rates: $25, TL RATING: Park: 6, Restrooms: 9, Visual: 6.5. firstname.lastname@example.org
Then Blue Ox RV Park (Albany), Last year's rates: $29. TL RATING: Park: 9, Restrooms: 9, Visual: 9. (800)336-2881
Hope one of these works for you.