Affi Falls. In Lodi Creek, in the north-central portion of the Park. Origin of name not ascertained.
Alice Falls. In Spukwush Creek, in the northwestern portion of the Park. Origin of name not ascertained.
Alki Crest. In the northwestern corner of the Park. The name is from the Chinook jargon meaning "by and by."
Allen Lake. See Lake Allen.
Alta Vista. A point near the snow line on the south-central slope. It was named by John P. Hartman, who visited the place with a Tacoma party in 1889. The name is Spanish and means "high view."
Anvil Rock. On the southern slope, near the upper Cowlitz Glacier. The name is descriptive, but who suggested it has not been ascertained. Elevation, 9,584 feet above sea level.
Arthur Peak. In the northwestern corner of the Park. Origin of name not ascertained.
August Peak. Near the northwestern boundary of the Park. Origin of name not ascertained.
Avalanche Camp. On the north slope. Named by a member of The Mountaineers, during that club's first ascent in 1909. Elevation, 10,900 feet above sea level.
Baker Point. Outjutting portion of Goat Island Mountain, overlooking Emmons Glacier. Origin of name not ascertained.