This bike ride is of the Roundtrip type. You can start from Lac-Supérieur (near the town of Tremblant), or from St-Donat. This ride has some very intense climbs so it’s not for everyone. There is no store on this road so be sure to bring water, food and a tool kit and first aid.
Segment Strava
https://www.strava.com/segments/1346043
Where to park?
Leaving from Lac-Supérieur, you can park near the start of Chemin du Nordet.
From St-Donat, you can park on the side of the road at the start of Chemin du Nordet.
Road bike ride in St-Donat, Québec – Le Nordet 
Road bike ride in St-Donat, Québec – Le Nordet