Leave Toronto around 6:30 AM via ON-401 east, continuing through Kingston and Ottawa before taking Autoroute 50 toward Mont-Tremblant. Plan on roughly 6.5–7.5 hours behind the wheel, plus breaks; traffic around Toronto, Montréal, and Ottawa can easily add time. A practical first fuel-and-coffee stop is near Kingston, followed by lunch and another fuel stop around Ottawa. Keep Québec toll-free-route navigation active, and arrive with the car fueled, since options become more limited near the resort. At the Mont-Tremblant Pedestrian Village, unload luggage at your accommodation if possible, then use hotel parking or nearby paid lots—cars are not useful inside the village itself.
After checking in and taking a short break, drive approximately 10–15 minutes to Domaine Saint-Bernard for an easy 1.5-hour leg-stretch along the peaceful lakeside trails. Trail access is generally inexpensive, often around C$10 per vehicle or a small per-person fee depending on the season; check the day’s hours before leaving, as gates and services can close earlier than the trails. Bring water and mosquito repellent, and allow a little extra time for the Laurentian scenery rather than trying to cover too much ground. Return to Mont-Tremblant Pedestrian Village for an unhurried wander through its colorful plazas, shops, and lakefront paths; most shops close in the evening, but the village remains pleasant for strolling.
Have dinner at Le Shack, a relaxed resort restaurant known for Québec comfort food and mountain views. Expect approximately C$35–60 per person before drinks and gratuity; reservations are useful in August, particularly for an outdoor or window table. After dinner, follow the paths along the Lac Tremblant shoreline for about 45 minutes—the water and mountain backdrop are especially atmospheric as the resort lights come on. Around 8:30–9:00 PM, walk back to your accommodation or use the resort shuttle if your hotel is farther uphill. After the long drive, it is worth keeping the night quiet and saving any additional exploration for tomorrow.