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Three Rivers Marina

Authoritative
Jefferson County, Oregon, 97734→|Lake Billy Chinook· reservoir· 3,081 ac→

Location

GPS Coordinates

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
(541) 546-2939Website
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.