Great powder riding is available at Smokey Bear Flat on Hwy 395, just 3 miles north of Mammoth Lakes. For spectacular backcountry trails depart this 500-acre snowmobile park. Affordable Family Fun! Backcountry Guided and Self-Guided Tours. Every tour is an adventure. Maps are on each snowmobile. Guided trips are recommended for large groups. Guided routes may differ from self-guided tours. 1 hour rides to 4 hour rides available. Passenger Sleigh rides available. The sleigh attaches to your snowmobile. 350 lb. weight limit. Holds 1 adult, 1 child or 2 children. This is a great resolution for a family with 3-4 children and only 2 drivers that want a back country ride. Reservations are highly recommended. Plenty of tour bus parking.