Mendenhall Valley, Juneau Mendenhall Valley, Juneau The Mendenhall Valley (historically Mendenhall, colloquially The Valley) is the drainage area of the Mendenhall River in the U.S. state of Alaska. The valley contains a series of neighborhoods, comprising the largest populated place within the corporate limits of the City and Borough of Juneau, Alaska's capital. The valley was formed by Mendenhall Glacier over the course of roughly three thousand years. It was named for physicist and meteorologist Thomas Corwin Mendenhall. The Mendenhall Valley begins ten miles from the downtown area, at the intersection of Egan Drive and Glacier Highway, and ends ten miles farther west
Juneau mining district Inlet to Holkam Bay. French Canadian prospector Pierre Erussard, known as "French Pete," found gold on Douglas Island, across Gastineau Channel from Juneau. A consortium led by John Treadwell, a carpenter from California, purchased the claims and adjoining gold-bearing land. The resulting mine/mill complex produced more than 3 million troy ounces (93 tonnes) of gold before closing in 1922. The underground Kensington hardrock mine is approximately north of Juneau. The mine site is within the City and Borough of Juneau and the Tongass National Forest. Development and ore production occurred at the Kensington mine site from 1897 through 1938. The