Flandrau State Park Trail is a standout hiking destination in New Ulm, MN, covering 6.0 miles with 300ft of elevation change. Stats: 6.0 miles, 300ft gain, Moderate. Type: Loop. Surface: Dirt. Time: 3 hours. Fee: $7/vehicle. Dogs: Yes, on leash. Permit: No. Wildlife: deer, foxes, herons. Best seasons: Cottonwood River valley in southern Minnesota. Pack water, layers, and appropriate footwear. Conditions vary across MN. Leave No Trace: stay on trail, pack out all waste, respect wildlife.