It varies. Stowe's was actually pretty popular. Okemo and Killington too. Most of the big family destinations or smaller local areas near big population centers.Terrain parks seem to be the biggest waste on the mountain. Wherever I go, I rarely seem to see all that many people using them; park has to be the most expensive thing on the mountain from a $/skier basis.
I'm glad Wildcat doesn't have one. They used to have a very small one that required minimal resources.
Overall the investment in parks is probably overdone. I think the reduction in half pipes around the region is evidence of that
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