National Parks near Mud Lake Trail System, Cass County, Minnesota Mud Lake Trail System Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Mud Lake Trail System, Cass County, Minnesota Nearest metro area is Brainerd, Minnesota Click here for more outdoors activities near Brainerd, Minnesota General Camping Information List of nearby National Parks: Voyageurs National Park, International Falls - MN, 76.9 miles away Mississippi National River & Recreation Area, St. Paul - MN, 127.2 miles away Saint Croix National Scenic River, Saint Croix Falls - WI, 131.9 miles away Pipestone National Monument, Pipestone - MN, 218 miles away Apostle Islands National Lakeshore, Bayfield - WI, 224.7 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Minnesota Outdoors Index