Beall Woods Cathedral of Trees is a standout hiking destination in Keensburg, IL, covering 5.0 miles with 200ft of elevation change. Stats: 5.0 miles, 200ft gain, Easy. Type: Loop. Surface: Dirt. Time: 2.5 hours. Fee: Free. Dogs: Yes, on leash. Permit: No. Wildlife: deer, turkeys, pileated woodpeckers. Best seasons: Rare old-growth forest along the Wabash River. Pack water, layers, and appropriate footwear. Conditions vary across IL. Leave No Trace: stay on trail, pack out all waste, respect wildlife.