Hardwood State Forest extreme SE corner of the state and any of these areas along the river with a good stand of woods.
Rum River State Forest, sits all by itself in the boonies NE of St. Cloud.
Chippewa National Forest has many good areas.
George Washington State Forest.
Superior National Forest and just Soputh- Cloquet Valley State Forest.
Amber adds: Nerstand State Park close to Fairbault.