Jefferson County Boat Ramps, New York

Jefferson County tracks 17 public boat ramps in total, spread across 14 different rivers, creeks and lakes — most notably Lake Ontario (3 ramps), Black River (2 ramps) and Sixberry Lake (1 ramp). 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.

17 Boat ramps
14 Waterways
0 Free to launch
4 Neighboring counties

All boat ramps in Jefferson County

Black River Black River
Black River Black River
Butterfield Lake Butterfield Lake
Hyde Lake Hyde Lake
Indian River Indian River
Lake of the Woods Lake of the Woods
Lake Ontario Lake Ontario
Lake Ontario Lake Ontario
Lakeview Pond Lakeview Pond
Millsite Lake Millsite Lake
Muskellunge Bay Lake Ontario
Muskellunge Creek Muskellunge Creek
Payne Lake Payne Lake
Red Lake Red Lake
Sixberry Lake Sixberry Lake
South Colwell Pond South Colwell Pond
St. Lawrence River St. Lawrence River

Waterways in Jefferson County

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

Black River 2 Butterfield Lake 1 Hyde Lake 1 Indian River 1 Lake of the Woods 1 Lake Ontario 3 Lakeview Pond 1 Millsite Lake 1 Muskellunge Creek 1 Payne Lake 1 Red Lake 1 Sixberry Lake 1 South Colwell Pond 1 St. Lawrence River 1

Boat ramps in neighboring counties

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

Oswego County 8 ramps
Lewis County 6 ramps
St. Lawrence County 4 ramps
Cayuga County 4 ramps

Frequently asked questions

We track 17 public boat ramps in Jefferson County, spread across 14 different rivers, creeks and lakes.

We haven't confirmed any free ramps in Jefferson 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.

Lake Ontario has the most public boat ramps we track in Jefferson County, with 3 launch points.