Sienna Resources Inc. engages in the identification, acquisition, and exploration of mineral properties in Canada, Sweden, Finland, Norway, and the United States. The company primarily explores for platinum, palladium, nickel, copper, cobalt, and lithium deposits. It holds interests in the Slättberg project located in southern Sweden. The company also holds interests in Kuusamo PGE-Ni-Cu-Co project, Finland; Clayton Valley Deep Basin Lithium Brine project, North America; and Marathon North Platinum-Palladium Property covering an area of approximately 16,500 acres and located in Northern Ontario, Canada. In addition, it holds interest in the Blue Clay lithium project covering an area of approximately 2,950 acres located in the Clayton Valley of Nevada; and White Gold project located in Yukon, Canada. The company was formerly known as Habanero Resources Inc. and changed its name to Sienna Resources Inc. in January 2014. Sienna Resources Inc. was incorporated in 1983 and is headquartered in Vancouver, Canada.