Delaware Mine

The Delaware Mine is located off U.S. Highway 41, 12 miles (19 km) in Grant Township, Keweenaw County, south of Copper Harbor, Michigan and is a Keweenaw Heritage Site.^[1][2] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw,^[2] dating back to 1847. The mine had five shafts, with the deepest reaching 1,400 feet (430 m). The mine is open June through October and offers guided and self-guided tours.^[3]

Delaware Mine

Sign along U.S. 41
Location
Delaware Mine Show map of Michigan Delaware Mine Show map of the United States
Location	Delaware
State	Michigan
Country	United States
Coordinates	47°25′27.47″N 88°5′55.24″W
Production
Products	Copper
Type	Underground
Greatest depth	1,400 ft (430 m)
History
Opened	1847 (1847)
Closed	1887 (1887)

Gallery

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  Mine entrance
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  Delaware Copper Mine Hoist House
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  Mine shaft interior
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  Delaware Mine shaft interior