Are you sure it's not actually Dorset Ridge Cemetery? It's actually in Wellington Twp but next to the town of Wilton. It's definately up a hill on a ridge. It's off of Co. Rd. 71, just east of Co. Rd. 131 and west of Locust Ave.
http://www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=87...;