Hikes›United States›Minnesota›Cuyuna Country State Recreation Area›Portsmouth Mine LakePortsmouth Mine LakeDay hike · 3.0 km · ↑ 0 mIn Cuyuna Country State Recreation Area, MinnesotaTrip reports and guidesNaugaBike: Circumnavigated Portsmouth Mine Lakenaugabike.blogspot.com · Jun 2011 · trip report