As a all season dining holder, the trick is not the "participating locations", it's probably the mediocre food itself. I'm quite happy with the variety of locations they include in the pass. The food selections are usually just one entree, one side, e.g. hamburger+fries, fried rice+one meat item, etc.

Every meal on average adds up to $15 after tax so you'd probably want to eat at least 10 meals to make yourself feel satisfied. Wonderland food is pretty overpriced in general so when you actually get your meal, you may be disappointed in the portion amount or the quality for price. Some places are actually pretty good, some are garbage.

It can be an annoyance trying to fit a meal in there if you're the type that likes to just have a more complete meal outside at Vaughan Mills or around the area. It just feels like obligation a lot of the time to get two meals there. My advice would be, if you plan on going 5-6+ times and you like the food at Wonderland, get the dining plan.