The Millennium redwood grows on the flats above Bull Creek. It is in a grove with several other tall trees. It is surrounded by logs, some from very recent tree fall.
The average diameter at 4.5 feet above ground level is 8.9 feet.
Millennium exceeded 370 feet in height starting in 2015. The latest published height for Millennium is 369 feet, from a 2013 or earlier measurement.
The published height for Millennium in 2000 was 364 feet.