Lacassine NWR Loop takes you through the distinctive ecosystems of Lake Arthur, LA. This easy 2.0-mile loop with 0 feet of elevation change showcases Louisiana's remarkable natural diversity. Trail info: 2.0 miles, 0ft elevation, Easy. Type: Loop. Surface: Levee. Duration: 1 hour. Fee: Free. Dogs: Yes, on leash. Permit: No. Keep an eye out for snow geese, alligators, white-tailed deer — Louisiana's wetlands and forests support exceptional biodiversity. Best times: Fall through spring; major waterfowl wintering area. Essential gear includes insect repellent, water, and waterproof footwear — Louisiana trails can be muddy year-round. Sun protection is a must. Protect Louisiana's fragile wetland ecosystems: stay on boardwalks where provided, do not disturb alligators, and pack out everything you bring in.