Bridge on the McKenzie River Trail, Willamette National Forest, Oregon

plant ecoregion wood natural landscape tree fence branch trunk biome grass canopy walkway landscape stairs deciduous split-rail fence bridge road forest boardwalk trail grove woodland handrail temperate broadleaf and mixed forest walkway symmetry shrub garden jungle path log bridge hardwood nonbuilding structure valdivian temperate rain forest guard rail northern hardwood forest landscaping old-growth forest tropical and subtropical coniferous forests autumn plant stem road surface wildlife rainforest vascular plant temperate coniferous forest