Planning a 4-day trip to Banff National Park from Montreal in late September requires careful consideration of activities, accommodations, and packing essentials. This itinerary balances exploring Banff's natural wonders with budget-friendly lodging options in nearby Calgary, offering a mix of hiking, sightseeing, and urban experiences while providing practical tips for an enjoyable Rocky Mountain adventure. 4-Day Banff Itinerary Here's a detailed 4-day itinerary for your trip to Banff National Park from Montreal in late September: Day 1: Arrival and Calgary Exploration Fly from Montreal to Calgary International Airport Take the Banff Airporter shuttle to your hotel in Calgary (approximately 20 minutes)[1] Explore downtown Calgary: Visit the Calgary Tower for panoramic views of the city and Rocky Mountains[2] - Explore Prince's Island Park, a green urban oasis[2] - Have dinner at one of Calgary's renowned restaurants Day 2: Banff Town and Sulphur Mountain Take an ea