Petříkov - Relax ski resort in Ostružná, Czech Republic, offers a range of winter activities including downhill skiing, cross-country skiing, and other winter sports. The resort has a variety of slopes for all skill levels, from easy to intermediate. Accommodations include hotels, apartments, and bed and breakfasts. The resort is open from mid-December to mid-March, with opening hours from 9:00 AM to 4:00 PM.