| Popelogan River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Source1 Location: | Addington Parish, Restigouche County, New Brunswick |
| Source1 Coordinates: | 47.8311°N -66.6694°W |
| Source1 Elevation: | 275m (902feet) |
| Mouth Location: | Addington Parish, Restigouche County, New Brunswick |
| Mouth Coordinates: | 47.8922°N -66.9561°W |
| Mouth Elevation: | 65m (213feet) |
| Length: | 28.7km (17.8miles) |
| Tributaries Left: | (from confluence) Gordon Brook, Arsenault Brook, Popelogan Lake Branch. |
| Tributaries Right: | (from confluence) Petteller Gulch |
The Popelogan River is a tributary of the Upsalquitch River. It flows through the parish of Addington in Restigouche County in north-west New Brunswick, Canada.
In its course to the south, the Popelogan River flows through a valley in a terrain that becomes increasingly mountainous as it nears the Upsalquitch. Its main tributaries are the Gordon Brook and the Lake Popelogan Branch, which supplies Popelogan Lake. The upper part of the river is served by a forest road from Popelogan Depot.
Popelogan River rises in the western part of White Meadows in the parish of Addington, 0.7km (00.4miles) west of the boundary of the parish's boundary with the parish of Balmoral. The upper part of the river flows south-west into a small valley, which extends towards the north-east towards the watershed of the Goullette Brook, a tributary of the Charlo River.
The source of the Popelogan River is located in a forest area:
The river is 28.7km (17.8miles) long. Its segments are as follows:
The Popelogan River empties on the east bank of the Upsalquitch River in the Crooked Rapids area. The confluence of the Popelogan is located: