This is a list of glaciers existing in the United States, currently or in recent centuries. These glaciers are located in nine states, all in the Rocky Mountains or farther west. The southernmost named glacier among them is the Lilliput Glacier in Tulare County, east of the Central Valley of California.
There are approximately 664 named glaciers in Alaska according to the Geographic Names Information System (GNIS).[1]
The Pacific Coast Ranges include glaciers in the three states on the Pacific Coast.
There are approximately 186 named glaciers in Washington according to the Geographic Names Information System (GNIS).[3] However, the 1980 eruption of Mount St. Helens eliminated nine of its eleven named glaciers and only the new glacier known as Crater Glacier has been reestablished since.
Mount St. Helens once had eleven named glaciers,[4] but the 1980 eruption of the volcano eliminated nine glaciers and the two remaining aren't recognized. One newly formed glacier now resides in the caldera of the volcano.
There are 35 named glaciers in Oregon according to the Geographic Names Information System (GNIS).[5]
There are 20 named glaciers in California according to the Geographic Names Information System (GNIS).[7]
Mount Shasta is a volcano with seven named glaciers in the northern region of California.
Basin and Range Province lies east of the Coast Ranges and west of the Rockies. There are no active glaciers in the Basin and Range Province and Wheeler Peak Glacier is considered by some to be a rock glacier.
According to the Geographic Names Information System (GNIS), there are sixteen named glaciers in Colorado.[8] According to early mountain explorers and scientists, Colorado once had more than eighteen glaciers before 1880.
See also Glaciers of Colorado See also [1]
According to the Geographic Names Information System (GNIS), there are 60 named glaciers in Montana.[9]
There are no visible glaciers in Utah. Timpanogos Glacier article is documentation of a buried glacier.
According to the Geographic Names Information System (GNIS), there are 37 named glaciers in Wyoming.[10]