The Black Rapids Glacier is one of the largest glaciers in the eastern Alaska Range. The glacier is approximately 40 km (25 miles) long. Only the terminus and one of its tributary glaciers are visible from the Richardson Highway from about mile 226 to mile 227.

Black Rapids is a surge-type glacier that most recently surged in 1936-1937 when it was dubbed "the galloping glacier." It is currently in its quiescent phase, but unlikely to surge again in this century due to mass starvation.

Find more information on the area, geology, and nearby peaks in my article: Black Rapids Glacier

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