West of Rocky Mountain House, the Dormer Sheep area has miles of OHV routes open to ATV riding.
These trails are maintained by the Bighorn Heritage ATV Society.
Note: OHV usage is limited to vehicles with a curb weight of 1,300 lb. or less, and a wheel base of 73" or less. In accordance to Provincial Legislation, every off highway vehicle and snow vehicle operating on crown land must have valid registration and insurance, and have a licence plate properly affixed. No one under the age of 14 years can operate an off highway vehicle or snow vehicle unless accompanied by an adult.
Overall, Dormer Sheep ATV Routes is the 30th most popular ATV riding trail of all 35 ATV trails in Alberta.