Until recently, Balanced Rock had a companion - a similar, but much smaller balanced rock named "Chip Off The Old Block", which fell during the winter of 1975/1976. According to the guidebook, Balanced Rock weighs as much as 1,600 full size cars! Estimated at 3,577 tons! Let's see, at 3,577 tons times 2,000 pounds per ton... . that's over 7 mllion pounds