| Lake Ha! Ha! | |
|---|---|
 Surroundings of the lake | |
  Lake Ha! Ha! | |
| Location | Saguenay / Lac-Ministuk / Larouche / Hébertville, Saguenay–Lac-Saint-Jean, Quebec |
| Coordinates | 48°02′20″N 70°50′42″W / 48.039°N 70.845°W |
| Primary inflows | Outlet of lake Michta, outlet of petit lac Ha! Ha!, Ha! Ha! River, outlet of lake Légal, Pierre River (Ha! Ha! River) |
| Primary outflows | Ha! Ha! River |
| Basin countries | Canada |
| Max. length | 7.0 km (4.3 mi) |
| Max. width | 1.4 km (0.87 mi) |
| Surface elevation | 379 m (1,243 ft) |
| Settlements | Ferland-et-Boilleau, Quebec |
Lake Ha! Ha! is a waterbody tributary of the Ha! Ha! River. It is located in the municipality of Ferland-et-Boilleau, Quebec, in the Le Fjord-du-Saguenay Regional County Municipality (MRC), in administrative region of Saguenay-Lac-Saint-Jean, in Quebec, located in the Saguenay River valley, in Canada.
The southeastern portion of the petit lac Ha! Ha! is served by route 381, which separates the lakes petit lac Ha! Ha! and lake Ha! Ha!. The bridge passes over the waterbody at the peninsula attached to the north shore and then the route goes northwest to serving the northwestern part of the lake Ha! Ha!. The landscape of this lake, surrounded by mountains, attracts nature lovers.
Forestry is the main economic activity of the sector; recreational tourism activities, second.
The surface of Lake Ha! Ha! is usually frozen from late November to early April; however, safe ice movement is generally from mid-December to late March.