Acquiring satellite view…
Three Rivers Marina
AuthoritativeLocation
GPS Coordinates
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About This Ramp
A fee is required
Hours
Opens in April
Type
Trailered Boat Launch
Managed by
Private
Lanes
3
Parking
Yes
Amenities
RestroomFuel Dock
Contact
Oregon Marine Board1 data sourceUpdated Mar 2026
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Three Rivers Marina is a public boat ramp on Lake Billy Chinook in Jefferson County, Oregon (97734). Managed by Private. GPS coordinates: 44.5863°N, 121.3747°W.