River (from ha-ha, unexpected obstacle on a road) constitutes the outlet of the Plamondon Lake reservoir, flowing in the municipalities of Côte-Nord-du-Golfe-du-Saint-Laurent and Gros-Mécatina, in the Le Golfe-du-Saint-Laurent Regional County Municipality, in the administrative region of Côte-Nord, in Quebec, in Canada.
A carriage road connecting route 138 goes north from Saint Lawrence estuary shore to the dam at the head of the Ha!
would not be a matter of onomatopoeia but rather a derivation of the term French ha-ha which means unexpected obstacle on a path.
[1] In the province of Quebec, certain places also use this expression in their toponymy, in particular: The main watersheds near the Ha!
River, the current crosses Monger Lake on 4.5 km (2.8 mi) to the east, bypassing by the south a peninsula attached to the north shore; then the current follows on 2.3 km (1.4 mi) the course of the Véco River towards the northeast which constitutes a navigable strait; then crosses Baie des Ha!
By bypassing the "Pointe de la Rivière" from the north, then heading for 11.6 km (7.2 mi) towards the south-east until Saint Lawrence estuary in passing between Fecteau Island and Cape High.