Rolling Hills Arabians & Farm Tours Share: Activities/Family FunHorseback Riding Rolling Hills Arabians & Farm Tours Visit Website 18339 407th Street Onamia, MN 56359 (320) 532-3261 (320) 532-3261 (fax) Hours: Mid-May thru October. Call early morning or leave message. 320-532-3261. About Map About Kids and adults can enjoy farm animals. Nature walks, riding lessons, guided horseback rides. Birthday parties. Customers by appointment only. Certified Stable with MN Horse Council. Have fun here! Directions 3 miles from Casino. Call for directions and appointments only. What's Nearby? Distance: 5 10 15 20 25 50 mi.