The 1970 Sandown Three Hour 250 was an Australian endurance motor race for Series Production Cars. The event was held on 13 September 1970 over 130 laps of the 1.9 mile Sandown Park circuit in Victoria, Australia, a total of 247 miles. There were 42 starters in the event. This event, revived from a previous six-hour format, debuted in 1968 and quickly became the recognized precursor event to the annual Bathurst 500 / 1000 race.