### Instruction:
With the given passage as a reference, write some details about Popelogan River

### Input:
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.

### Response:
1. The Popelogan River is a tributary of the Upsalquitch River on the eastern shore of Canada's New Brunswick, mainly passing through the Addington Parish in Restigouche County.
2. The Popelogan river travels through a valley in the steep terrain that gets deeper as it moves south. The Gordon Brook and the "Lake Popelogan Branch," which supplies Popelogan Lake, are its principal tributaries.
3. Popelogan Depot provides access to the upper half of the river via a woodland road.