The hydrographic slope of the "Blaiklock River" is accessible by a forest road (East-West direction serving the upper part of the watercourse, which connects to another forest road (North-South direction) which cuts the river and which connects to route 167 to the southwest of Waconichi Lake.

The surface of the "Blaiklock River" is usually frozen from early November to mid-May, however safe ice traffic is generally from mid-November to mid-April.

This term evokes the memory of Frederic William Blaiklock (1822-1901), surveyor, native of Quebec (city).

He was the first to conduct topographic measurements in the valley of the Ashuapmushuan River which is located north of Lac Saint-Jean.

He also mapped out the two provincial roads leading to Lac Saint-Jean, via Stoneham and via La Tuque.