Can’t Book Your Campsite? Understanding the 7-11-4 Rule and Availability Gaps
You’ve found the perfect campsite on Ontario Parks’ reservation system, clicked to book, and hit a wall: “Minimum stay requirement not met” or “This site is not available for your selected dates.” Nine times out of ten, you’re running into the 7-11-4 rule, the system’s automated logic that blocks bookings when your stay would leave awkward gaps of one to three nights that are nearly impossible for other campers to book.
The fastest fix? Extend your stay by one or two nights to fill the gap you’re creating, or shift your dates forward or backward to avoid splitting an available …
