Consolidated Denison Mine, or the Denison Mine is an abandoned uranium mine located approximately 12.5 km north of Elliot Lake, Ontario.

The site has been rehabilitated and its tailings facility is currently undergoing environmental monitoring by Denison Environmental Services.

[1] The site was the longest continuous operation in the area, from 1957 to 1992, during which time it produced 69 million tonnes of ore.[citation needed] The site was discovered in 1953, by F. H. Jowsey, A. W. Stollery who sold his stake to Consolidated Denison Mines Limited in 1954.

[1] Geological surveys commenced in July 1954 followed by diamond drilling.

[1] The site has two tailings management areas that includes 64 million tons of tailings under water.