44.5861793, -121.3747200

Three Rivers Marina Boat Ramp

Fee not yet verified Status not yet verified Semi-Private access

Three Rivers Marina Boat Ramp is a semi-private access point in Jefferson County, Oregon, providing access to Lake Billy Chinook. It sits within the Lower Metolius River watershed.

Sourced from Oregon.gov . Last checked against the source on July 7, 2026.

Boat ramps on Lake Billy Chinook

Three Rivers Marina Boat Ramp is the only public boat ramp we have on record for Lake Billy Chinook. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in Jefferson County

Jefferson County tracks 15 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Lake Billy Chinook. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Three Rivers Marina Boat Ramp or leads somewhere completely different.

Quick facts

County
Jefferson County, Oregon
Coordinates
44.5861793, -121.3747200
Waterbody
Lake Billy Chinook
Access type
Semi-Private
Last verified
July 7, 2026
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