Schumacher Sport Horses, 3131 S Duck Lake Rd, Highland, MI 48356. Phone: 248-245-3171, Email: info@schumachersporthorses.com, Website: www.schumachersporthorses.com. Boarding. Inside/outside horse boarding at private breeding farm. Location: 4-corners of Highland/Milford/Commerce/White LK Twps inside 6,000 Highland State Rec Area next to downtown Milford. Call for details 248-933-7003. Box Stalls, Outdoor Arena, Jumps, Riding Trails.