Pilot Knob Summit Trail is a standout hiking destination in Forest City, IA, covering 4.0 miles with 200ft of elevation change. Stats: 4.0 miles, 200ft gain, Easy. Type: Loop. Surface: Dirt. Time: 2 hours. Fee: $6/vehicle. Dogs: Yes, on leash. Permit: No. Wildlife: deer, loons, eagles. Best seasons: Highest point in northern Iowa. Pack water, layers, and appropriate footwear. Conditions vary across IA. Leave No Trace: stay on trail, pack out all waste, respect wildlife.