You might want to consider Waupaca. It's a little further for you to drive but has several advantages. Namely, the Best Western has trail access from their parking lot, plenty of parking and a gas station next door. There are at least 3 hotels in that area but the Best Western has the best access to the trail system. Here's the link
http://www.bestwesternwaupaca.com/
Waupaca has an extensive system that matches up well with surrounding counties. I'm not as familiar with Waushara. They're very popular during the summer months for golf courses, boating, and summer homes.
It might be a challenge to find a family size cabin for rent during the winter months but good luck! You never know until you start to look for availabilities.