Justin Trails Resort - 12 km (8 mi.) of trails groomed for classic and freestyle cross country skiing. Sparta, Wisconsin. - http://www.justintrails.com/winter.shtml
Trail Farm - 30k of cross-country skiing trails. Located in Westboro, Wisconsin. - http://trailfarm.net
Palmquist's Farm - 20 miles of ski trails, from beginner to intermediate-level ratings. Brantwood, Wisconsin. - http://www.palmquistfarm.com/
Minocqua Winter Park - 75 km of Piston Bully groomed terrain with 65 km groomed for both skating and striding and 10 km groomed for striding only. Minocqua, WI. - http://www.skimwp.org/
North Lakeland Discovery Center - 19km trail system. Mantowish Waters, Wisconsin. - http://www.discoverycenter.net/trails.htm
Wisconsin Nordic Skiing - Cross Country Skiing in Northwest Wisconsin. - http://www.norwiski.com/