The Discovery Pass
Parks Canada's annual Discovery Pass covers admission to all 80+ national parks, historic sites, and marine conservation areas for a full year. A family/group pass (covers up to 7 people in one vehicle) costs roughly the same as four single-day fees at Banff. Buy online, at any park gate, or at MEC stores across the country.
Timed-entry reservations
Banff, Jasper, Pacific Rim, Gros Morne, and several others now use a reservation system for parking at popular trailheads (Moraine Lake, Lake O'Hara) and for vehicle entry during peak summer weekends. Reservations open through reservation.pc.gc.ca on a rolling window — Moraine Lake shuttle bookings open in April for the summer.
Provincial vs national
Provincial parks have separate fee structures — BC Parks, Ontario Parks, SÉPAQ in Québec, and so on. Many provinces sell annual day-use passes that are excellent value if you'll visit more than 5–6 days. Campsite bookings open 5–6 months ahead and the popular ones fill within minutes of opening.
Crowd-free alternatives
Skip Banff for Kootenay, Yoho, Mount Revelstoke, or Glacier — all within two hours and arguably more scenic per square kilometre. Skip Jasper for Mount Robson (BC Parks) or Willmore Wilderness. On the East Coast, Cape Breton Highlands is the obvious draw but Kejimkujik, Fundy, and Terra Nova are quieter equals.
Backcountry permits
Overnight backcountry camping in national parks requires a separate permit booked through Parks Canada. Popular routes (West Coast Trail, Skyline, Brazeau Loop) open for booking in January and sell out within days. Plan early or aim for shoulder season.