The McClean Lake joint venture (Denison - 22.5%) in northern Saskatchewan includes the deposits of the Sue Trend, and the JEB, Caribou, and McClean Lake sandstone hosted deposits. The collective deposits at the McClean project represent the 5th largest uranium resource/reserve in the Athabasca basin.
The Midwest project, owned 25.17% by Denison, 69.16% by ARC and 5.67% by OURD, is host to two significant uranium deposits: the Midwest deposit, discovered in 1978; and the Midwest A deposit, which was discovered in 2004/2005. Midwest is located approximately 15 kilometres from the McClean Lake mill where the Midwest ore is planned to be processed.
Denison has a 60% interest in the Wheeler River Joint Venture consisting of 19 unsurveyed mineral claims totaling 11,720 hectares in northern Saskatchewan. Denison has been the operator since November 10, 2004. The other partners are Cameco (30%) and JCU (Canada) Exploration Company, Limited ("JCU") (10%).
The Waterbury Lake Property is 100% owned by the Waterbury Lake Uranium Corporation, a limited partnership between Denison Mines (60%) and Korea Waterbury Uranium Limited Partnership (40%).
The Hatchet Lake Project is a 50/50 joint venture between Denison and Anthem Resources Inc. Denison is the operator. The property is located in the northeast region of the Athabasca Basin in northern Saskatchewan approximately 400 kilometres north of La Ronge and 30 kilometres north of Points North Landing.
Denison owns 30% of the Mann Lake Project; a joint venture with Cameco Corp. (52.5%) and AREVA Resources Canada (17.5%) consisting of 2 claims totaling 3,400 hectares located in the heart of what is undisputedly the most prolific and highest grade uranium region in the world, the Athabasca Basin in Saskatchewan. Mann Lake is 25 km southwest of Cameco's McArthur River Mine and is on trend between McArthur River and Denison's 60% owned Wheeler River Property.