Multnomah County Boat Ramps, Oregon

Multnomah County tracks 20 public boat ramps in total, spread across 8 different rivers, creeks and lakes — most notably Columbia River (6 ramps), Multnomah Channel (6 ramps) and Willamette River (2 ramps). Each listing below shows which waterbody it's on, so you can tell at a glance which ones actually connect.

Sourced from official state and federal agency records, last synced on July 7, 2026. Read more about how we verify this data.

20 Boat ramps
8 Waterways
0 Free to launch
6 Neighboring counties

All boat ramps in Multnomah County

Big Eddy Marina Columbia River
Big Oak Marina Multnomah Channel
Blue Lake Park Blue Lake
Cassidy Multnomah Channel
Cathedral Park Willamette River
Chinook Landing Marine Park Columbia River
Columbia Slough Columbia Slough
Dabney State Park Sandy River
Dalton Park Columbia River
Fred's Marina Multnomah Channel
Happy Rock Moorage Inc. Multnomah Channel
Lewis and Clark State Park Sandy River
M. James Gleason Columbia River
Rocky Pointe Marina Multnomah Channel
Rooster Rock State Park Columbia River
Sauvie Island Multnomah Channel
Sturgeon Lake Sturgeon Lake
Swan Island Willamette River - Swan Island Lagoon
The Fishery Columbia River
Willamette Park Willamette River

Waterways in Multnomah County

These are the rivers, creeks and lakes with public boat ramps in Multnomah County. Ramps on the same waterway don't always sit close together on a map — some of these stretch across the whole county.

Blue Lake 1 Columbia River 6 Columbia Slough 1 Multnomah Channel 6 Sandy River 2 Sturgeon Lake 1 Willamette River 2 Willamette River - Swan Island Lagoon 1

Boat ramps in neighboring counties

If Multnomah County doesn't have what you're looking for, these bordering counties are worth a look too.

Clackamas County 29 ramps
Clark County 9 ramps
Columbia County 9 ramps
Skamania County 8 ramps
Hood River County 5 ramps
Washington County 4 ramps

Frequently asked questions

We track 20 public boat ramps in Multnomah County, spread across 8 different rivers, creeks and lakes.

We haven't confirmed any free ramps in Multnomah County yet. Fee status is verified ramp by ramp as we check each one against the source — check the fee badge on each listing below for the latest status.

Columbia River has the most public boat ramps we track in Multnomah County, with 6 launch points.