Lake Ouachita State Park Caddo Trail is a standout hiking trail in Mount Ida, AR, covering 5.0 miles with 400ft of elevation gain. Stats: 5.0 miles, 400ft gain, Moderate. Type: Loop. Surface: Dirt. Time: 2 hours. Fee: $5/vehicle. Dogs: Yes, on leash. Permit: No. Wildlife: deer, wild turkeys, herons. Best seasons: Year-round; peninsula loop on Arkansas largest lake. Bring water, sun protection, and appropriate footwear for ARs conditions. Leave No Trace: pack out waste, stay on trail, respect wildlife.