Alder Creek property will be transferred to the US Forest Service for inclusion into the Giant Sequoia National Monument. In September 2020, the high-intensity Castle Fire swept through the grove. An assessment of the grove in 2021 showed that the fire killed or severely damaged 47% of the giant sequoia over in diameter. Description Alder Creek Grove is remarkably diverse, being made up of trees of many different ages and sizes, from seedlings to 3,000-year-old giants. There are also mature stands of red fir, white fir, ponderosa pine, and sugar pine trees mixed in amongst the giant sequoias. The grove is also home to several meadows, wetlands, and lush riparian woodlands. Noteworthy trees Stagg: the fifth largest giant sequoia in the world with a volume of . The tree was discovered in 1960 and named after Amos Alonzo Stagg, an American athlete and college coach in multiple sports. The tree is located on private property, but anyone is allowed to visit the tree if they park where signed and walk the trail to the tree. Waterfall: was a giant sequoia with the largest ground perimeter of any living giant sequoia, measuring . The immense basal buttress of the tree supported it as it grows along the steep southern bank of South Alder Creek. It tapered dramatically from the ground up, and had a height of approximately . It was destroyed in the Castle Fire of 2020. Several seeds had previously been collected from Waterfall and have since been replanted in the same area. Window: a giant sequoia which featured a large "window" that was formed when the tree was weakened by disease and later struck by lightning. This tree was also destroyed by the Castle Fire. See also List of giant sequoia groves References External links Save the Redwoods efforts to protect Alder Creek Giant sequoia groves Giant Sequoia National Monument Protected areas of Tulare County, California Sequoia National Forest