If you're thinking of driving up from Ottawa to ski in the central area of the park, I'd have to say it's not worth it. Although the temperature is still a bit above freezing the evaporation caused by the strong wind has frozen the skate lane to the point where my edges couldn't hold. Classic skiing with skin skis might work, but the classic tracks looked very glazed. On the positive side it looks like grooming tonight should produce a very good surface for tomorrow.