| Lac des Pas Perdus | |
| Pushpin Map: | Quebec |
| Pushpin Map Caption: | Location in Quebec |
| Location: | Lac-Pikauba, Charlevoix Regional County Municipality |
| Coords: | 47.7156°N -71.0708°W |
| Lake Type: | Natural |
| Inflow: | Discharge of lac Éperon and a stream. |
| Outflow: | Ruisseau Philippe |
| Basin Countries: | Canada |
| Length: | 2.8km (01.7miles) |
| Width: | 0.6km (00.4miles) |
| Area: | NaNkm2 |
| Depth: | NaNm (-2,147,483,648feet) |
| Max-Depth: | NaNm (-2,147,483,648feet) |
| Elevation: | 865m (2,838feet) |
The Lac des Pas Perdus is a freshwater body in the watershed of the Pikauba River, of the Chicoutimi River (via the Kenogami Lake) and the Saguenay River. Lac des Pas Perdus is located in the unorganized territory of Lac-Pikauba, in the Charlevoix Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada. "Lac des Pas Perdus" is located in the central part of the Laurentides Wildlife Reserve.
The "Lac des Pas Perdus" watershed is mainly served indirectly by the route 175 which links the town of Quebec (city) to Saguenay (city). The "Lac des Pas Perdus" sector is served by the forest road R0360 and by a few other secondary forest roads for forestry and recreational tourism activities.[1]
Forestry is the main economic activity in the sector; recreational tourism, second.
The surface of Pas Perdus Lake is usually frozen from the beginning of December to the end of Pikauba, however the safe circulation on the ice is generally made from mid-December to mid-Pikauba.
The mouth of Lac des Pas Perdus is located approximately northeast of the boundary of the administrative regions of Saguenay–Lac-Saint-Jean and Capitale-Nationale. The main watersheds neighboring the Pas Perdus lake are:
Lac des Pas Perdus has a length of, a maximum width of, an altitude is and an area of . This lake has a bay stretching for to the east where the outlet (from the north) of Lac Éperon flows; the narrowing of the lake at the entrance to this bay is formed by a peninsula attached to the north shore and another coming from the south shore.
The mouth of this lake is located on the west shore, at:
From the mouth of "Lac des Pas Perdus", the current descends the course of:
This toponym is indicated on the draft of the map of Lac Jacques-Cartier 1959-11-04, item 45, and on the draft of Baie-Saint-Paul, 1961-06-16, item 169.
The toponym "Lac des Pas Perdus" was formalized on December 5, 1968, by the Commission de toponymie du Québec.[2]