Contour map · Great Lakes
Lake Ontario
799 ftdeepest spot
4,650,768acres
100 ftcontour lines
What you get on Lake Ontario
- Every drop-off on a full contour map, lines every 100 ft, from the NOAA survey.
- Drop a pin anywhere and see the depth under it.
- Riggs tells you where to fish and what to throw today, from the weather, water temp, likely species and the odds.
- Follow My Boat (Pro) shows the depth under your boat as you move.
Free to download. A free pick every day; contour maps with Pro or Guide.
Lake Ontario at a glance
| Location | Great Lakes |
|---|---|
| Size | 4,650,768 acres |
| Deepest spot | 799 ft |
| Contour lines | every 100 ft |
| Survey | NOAA |
Boat ramps and marinas on Lake Ontario
115 boat ramps: Boat Launch, Boat Ramp A, Boat Ramp B, Canoe launch, Cuthill Lane Boat Launch, Deseronto Boat Launch, Fair Haven Beach State Park Boat Launch, Hand-launched boat ramp (kayaks, canoes, etc) and 9 more.
92 marinas: Anchor Marina, Ashbridge's Bay Yacht Club, Bald Eagle Marina, Beacon, Bluffer's Park Yacht Club, Bronte Harbour, Bronte Outer Harbour Marina, CFB Trenton and 41 more.
1 boat rental: Toronto Island SUP.
In the app, every one is on the map, next to the contour lines.
Ramp and marina locations © OpenStreetMap contributors (ODbL).
Lakes near Lake Ontario
- North Bay29 mi
- Pleasant Bay29 mi
- Rice Lake35 mi
Contour map: NOAA. Rigology shows the agency's survey and is not affiliated with it.