Sand Dunes Picnic Area is day-use only site, located in the East Rosebud drainage. This picnic area is open year-round, but is maintained from Memorial Day to Labor Day. Number of sites: 10 Group sites: No Garbage service: No. Please pack out all trash. Toilet: Yes. Vault toilet. Water: No For a road map of the area showing the location of recreation sites, please see our Motor Vehicle Use Map ( MVUM ). Directions from Beartooth Ranger District office : Drive north on US Hwy 212 for 2.1 miles. Turn left (west) onto MT-78 and drive 19.7 miles. Turn left (south) onto Roscoe Rd. Drive 2.3 miles, cross the bridge and turn right (south) onto East Rosebud Rd. Drive 5.6 miles to the picnic area, on your right.