| Cachée River | |
| Name Other: | Rivière Cachée |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Capitale-Nationale |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Portneuf Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Saint-Raymond |
| Length: | 9.1km (05.7miles) |
| Source1: | Cachée Lake |
| Source1 Location: | Saint-Raymond |
| Source1 Coordinates: | 46.9906°N -71.9632°W |
| Source1 Elevation: | 404m (1,325feet) |
| Mouth: | Mauvaise River |
| Mouth Location: | Saint-Raymond |
| Mouth Coordinates: | 46.9603°N -71.911°W |
| Mouth Elevation: | 259m (850feet) |
| Tributaries Left: | (Upward from the mouth) Discharge of a little unidentified lake. |
| Tributaries Right: | (Upward from the mouth) Discharge of Les Trois Petits Lacs, discharge of Lac Morasse and du Petit lac Morasse, discharge of Lac no Good. |
The rivière Cachée (English: Hidden River) is a tributary of the Mauvaise River flowing in the town of Saint-Raymond, in the Portneuf Regional County Municipality, in the administrative region of Capitale-Nationale, in Quebec, in Canada.
The Cachée river valley is served by a few forest roads for the needs of forestry and recreational tourism activities.
The main economic activities in the sector are forestry; recreotourism activities, second.
The surface of the Hidden River (except the rapids areas) is generally frozen from the beginning of December to the end of March, but safe circulation on the ice is generally made from the end of December to the beginning of March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April.
The Cachée river has its source at the confluence of Lac Caché (length: ; altitude). The mouth of this lake is located at:
From this confluence, the Cachée river flows on generally towards the south-east and in the forest zone, with a drop of, according to the following segments:
The mouth of the Cachée river flows on the west bank of the Mauvaise River, that is to the south side of the hamlet "Rivière-Mauvaise". This confluence is located at:
From the mouth of the Cachée River, the current flows successively in the following segments, over:
The toponym Rivière Cachée was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.[2]