[1] It enters the Jacques Cartier Strait between Havre-Saint-Pierre and Natashquan, west of the Little Watshishou River.

[5] The river basin contains the Nabisipi River Old Forest (Forêt ancienne de la Rivière Nabisipi) and the Lake Davy Old Forest (Forêt ancienne du Lac Davy).

[6] In the last 15 kilometres (9.3 mi) none of the land of the coastal region exceeds 150 metres (490 ft) in elevation.

The terrain is fairly smooth, sloping gently down to the Gulf of Saint Lawrence.

Later maps spell it Watcheeshoo, Watsheeshou, Watscheeshoo, Watsjishu and Watchichou.

In view of the rapidly declining Atlantic salmon population catch-and-release should have been implemented on all rivers apart from northern Quebec.