The main watersheds near Talbot Lake are: • north side: Tourangeau lake, Vermette stream,
Cyriac River, Beaver stream; • east side:
Pikauba River,
Pikauba Lake,
rivière à Mars North-West,
rivière à Mars; • south side: Pies stream, Hell stream, Black stream, General-Tremblay lake,
rivière aux Écorces North-East; • west side: Leboeuf stream, Côté stream,
Apica River,
rivière aux Canots, Willie stream. Talbot Lake is a widening of the
Petite rivière Pikauba, a tributary of the
Pikauba River. The lake's current outline is dependent on the erection of a dam at its discharge. Its southern and western shores are made of marshy soil. Talbot Lake has a length of , a width of and an altitude of . This lake is mainly fed by the
Petite rivière Pikauba which crosses this lake to the northeast, by riverside streams, by the outlet (coming from the southwest) from Lake Maskwa and by the outlet (coming from the northeast) of several lakes including Decoigne, Beloeil, Lanctôt, Lalonde and Dumais. This lake is surrounded by mountains on the east and south sides, whose peaks reach to the northeast and to the east. The dike at the mouth of Talbot Lake is located to the northwest, at: • east of
route 175; • south-east of the confluence of the outlet of Talbot Lake and the
Rivière aux Écorces North-East; • south of Lac Tourangeau; • north of Croche stream; • north-east of the course of the
Pikauba River; • south-west of the
Cyriac River; • north-west of the junction of
route 175 and
route 169; • south-east of the center of the ex-hamlet of
Mont-Apica; • south-east of the confluence of the
Pikauba River and
Kenogami Lake. From the mouth of Talbot Lake, the current follows the course of: • the
Petite rivière Pikauba on generally towards the northeast; • the
Pikauba River on generally towards the north; • the
Kenogami Lake on towards the northeast to
Barrage de Portage-des-Roches; • the
Chicoutimi River on to the east, then the northeast; • the
Saguenay River on eastward to
Tadoussac where it merges with the
Saint Lawrence estuary. == Toponymy ==