Terry Peak, located in South Dakota's famed Black Hills, is planning a big demo day Sunday, Dec. 30. Peak Sports will be providing Salomon, Volkl, and K2 skis for demos. Get expert advice and test drive the latest equipment on snow. There's no charge to demo the equipment, but you will need an ID and credit card for a security deposit. Demo time details are available at (605) 722-7669. It's the Heartland's largest vertical drop; over 1,100 feet and true mountain skiing and riding.