Tenn. Code Ann. § 70-5-105

The governor is authorized and empowered to designate and set apart suitable lands and waters that have or may hereafter revert to and become the property of the state on account of delinquent taxes, or any lands or waters held or that may be given to the state by donation or otherwise, and, in the governor's discretion and judgment, shall, by public proclamation, set apart and dedicate such lands and waters for wildlife preserves and declare the establishment of such preserves and fix the limits of the lands and waters for state wildlife preserves.