Pershing State Park Wetland Loop is a standout hiking destination in Laclede, MO, covering 5.0 miles with 200ft of elevation change. Stats: 5.0 miles, 200ft gain, Easy. Type: Loop. Surface: Paved. Time: 2 hours. Fee: $5/vehicle. Dogs: Yes, on leash. Permit: No. Wildlife: deer, herons, eagles. Best seasons: Wet prairie and bottomland hardwood. 0.0014. Pack water, layers, and appropriate footwear. Conditions vary across MO. Leave No Trace: stay on trail, pack out all waste, respect wildlife.