Contour map · Lake County, Montana
Flathead Lake
380 ftdeepest spot
120,254acres
5 ftcontour lines
What you get on Flathead Lake
- Every drop-off on a full contour map, lines every 5 ft, from the MT FWP 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.
Flathead Lake at a glance
| Location | Lake County, Montana |
|---|---|
| Size | 120,254 acres |
| Deepest spot | 380 ft |
| Contour lines | every 5 ft |
| Survey | MT FWP |
Boat ramps and marinas on Flathead Lake
14 boat ramps.
2 marinas: Flathead Lake Private Harbor, North Flathead Yacht Club.
In the app, every one is on the map, next to the contour lines.
Ramp and marina locations © OpenStreetMap contributors (ODbL).
Lakes near Flathead Lake
- Jette Lake8.7 mi
- Lake Mary Ronan11 mi
- Horseshoe Lake (2)13 mi
- Loon Lake (Lake County)13 mi
- Swan Lake14 mi
- Lily Lake (2)14 mi
Contour map: MT FWP. Rigology shows the agency's survey and is not affiliated with it.