Its course is situated between the
Rochu River (or “Little Saint Rock River”) (West side) and the
Gagnon River (West side). This river flows in forested area in a valley encircled by
Notre Dame Mountains.
0.8 kilometres (0.50 mi) to the Southeast, up to the boundary of the municipality of
Saint-Pamphile, Quebec;
2.8 kilometres (1.7 mi) (or 1.5 kilometres (0.93 mi) in direct line), winding towards the Southeast, up to the bridge of the "Little North range";
2.1 kilometres (1.3 mi) (or 1.5 kilometres (0.93 mi) in direct line), winding towards the Southeast, up to the bridge of the range of Pelletier;
7.3 kilometres (4.5 mi) (or 3.1 kilometres (1.9 mi) in direct line), winding towards the Southeast and straddling the boundary between
Saint-Omer, Quebec and
Saint-Pamphile, Quebec, up to the bridge of the range of Gagnon;
2.3 kilometres (1.4 mi) (or 1.4 kilometres (0.87 mi) in direct line), winding towards the Southeast, up to the bridge of 6th range;
1.6 kilometres (0.99 mi) to the Southeast, up to the confluence of the
Gagnon River (Saint Roch River) (from the Southwest);
0.8 kilometres (0.50 mi) to the Southeast, up to the border between
Quebec and
Maine.
Lower course of the river (segment 16.4 kilometres (10.2 mi) in
Maine designated "Shields Branch")
From the border between
Quebec and
Maine, the "Shields Branch" runs on:
2.0 kilometres (1.2 mi) to the Southeast in the
Maine, up to the "Little Saint-Roch River" (from the Northeast). Note: This river takes its source in
Quebec where it is designated
Rochu River;
9.3 kilometres (5.8 mi) (or 4.7 kilometres (2.9 mi) in direct line) to the Southeast, winding end segment up to the highway bridge;
5.1 kilometres (3.2 mi) (or 2.3 kilometres (1.4 mi) in direct line) up to the Southeast, winding up to the confluence of the river.[1]
The "Shields Branch" flows into a river curve on the North bank of the
Big Black River, Township T14 R15 Wels, in the
Aroostook County. This confluence is located:
8.5 kilometres (5.3 mi) Southeast of the border between Canada and U.S.
13.7 kilometres (8.5 mi) West of the confluence of the
Big Black River
11.6 kilometres (7.2 mi) Southeast of the village center of
Saint-Pamphile, in
Quebec