Lake Lena is an unincorporated community and Native American village in Ogema Township, Pine County, Minnesota, United States, located along the Lower Tamarack River. It currently is the administrative center for the Mille Lacs Indian Reservation, District III. Lake Lena is located 25 miles east of Hinckley; and seven miles west-northwest of Danbury, Wisconsin. Lake Lena is 24 miles east-southeast of Sandstone. Grace Lake Road (Pine County 173) serves as a main route in the community. State Highway 48 (MN 48) is nearby.