Horseshoe Lake Eagle Watch Trail is a standout hiking destination in Miller City, IL, covering 4.0 miles with 100ft of elevation change. Stats: 4.0 miles, 100ft gain, Easy. Type: Loop. Surface: Dirt. Time: 2 hours. Fee: Free. Dogs: Yes, on leash. Permit: No. Wildlife: bald eagles, deer, wood ducks. Best seasons: 50-100 bald eagles winter at this lake. Pack water, layers, and appropriate footwear. Conditions vary across IL. Leave No Trace: stay on trail, pack out all waste, respect wildlife.