Ok the town of Calabogie is here, it is about 20-30 mins from the trailhead - to be closer you'd need to camp out over night. Do you have your truck plated for the road?
From toronto to Calabogie:
from: toronto to: Calabogie Rd - Google Maps
From Owen Sound:
from: owen sound to: Calabogie Rd - Google Maps
From toronto to Calabogie:
from: toronto to: Calabogie Rd - Google Maps
From Owen Sound:
from: owen sound to: Calabogie Rd - Google Maps