Notes: Upper Bull Creek Flat is an alluvial flat located beside Bull Creek in Humboldt Redwoods State Park.

Upper Bull Creek Flat includes 1 of the 20 tallest trees on Earth (former world's tallest tree Rockefeller) and 1 of the 30 largest coast redwoods (Giant Tree). The flat contains 12 trees taller than 350 ft (106.68 m), 3 trees taller than 360 ft (109.73 m), and 1 tree larger than 25,000 ft³ (708 m³).

Rockefeller is the tallest tree and Giant Tree is the largest tree on Upper Bull Creek Flat.

Upper Bull Creek Flat includes the following coast redwoods:

Photos: Pictures of Upper Bull Creek Flat