The rustic Fourmile Cabin is located approximately 42 miles south of Big Timber on the main Boulder River. This 2-room cabin has electric power, electric stove, refrigerator, and a wood heating stove. The cabin is supplied with 4 single beds with mattresses, basic cooking and eating supplies, some cleaning supplies, table and chairs, axe, bucket, and shovel. There is an outdoor vault toilet. Bring drinking water or treat water from the river. Winter access by cross-country skis or snowshoes is 11 miles on county road. Livestock must be kept at the adjacent trailhead parking area. Supplemental livestock feed must be certified noxious weed seed free. Altitude at the cabin is 6,186 feet. Reservations can be made up to 6 months in advance. Maximum length of stay is 7 nights. Cabin rent is $35 per night. For further information contact the Big Timber Ranger District at 406-932-5155. The cabin, woodshed and access gate are locked with combination locks. Be sure to bring your combination with you.