Question: where is the oldest redwood tree in california

title: General Sherman (tree)
text: Height above base 274.9 ft 83.8 m Circumference at ground 102.6 ft 31.3 m Maximum diameter at base 36.5 ft 11.1 m Diameter 4.50 ft ( 1.37 m ) above height point on ground 25.1 ft 7.7 m Girth Diameter 60 ft ( 18 m ) above base 17.5 ft 5.3 m Diameter 180 ft ( 55 m ) above base 14.0 ft 4.3 m Diameter of largest branch 6.8 ft 2.1 m Height of first large branch above the base 130.0 ft 39.6 m Average crown spread 106.5 ft 32.5 m Estimated bole volume 52,508 cu ft 1,487 m Estimated mass ( wet ) ( 1938 ) 2,105 short tons 1,910 t Estimated bole mass ( 1938 ) 2,472,000 lb 1,121 t