| 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 Eastern shore Upsalquitch River, flowing particularly through the Addington Parish, in Restigouche County, in the Northwest the New Brunswick, in Canada.
In his course to the south, the Popelogan river flows through a valley increasingly deep in the mountainous terrain. Its main tributaries are the Gordon Brook and the "Lake Popelogan Branch" which supplies at Popelogan Lake. A forest road serves the upper part of the river, from Popelogan Depot.
Popelogan river rises at the West side of White Meadows, in the Addington Parish, at 0.7km (00.4miles) West of the boundary of the Addington Parish. The upper part of the Popelogan river flows Southwest into a small valley, which extends towards the Northeast towards the watershed of Goullette Brook, a tributary of the Charlo River.
The source of the Popelogan river is located in forest area:
From the source, the river Popelogan flows on 28.7km (17.8miles) according to the following segments:
The Popelogan River empties on the East bank of the Upsalquitch River, in the Crooked Rapids area. The confluence of the river Popelogan is located at:
The term Popelogan is a used in other toponymical names in the same sector including lake, depot, river and «Little Popelogan Brook".