large limestone boulders and tree trunks along hiking trail at pretty river valley

tree rock woodland wilderness plant trail forest trunk geology sculpture wildlife wood boulder garden ruins flower stream grave large limestone boulders trunks hiking pretty river valley spring ancient bedrock rock rugged stone moss brown cedar bark trunk sky white view boulder green branch flora forest leaf leaves nature plant tree wood background beautiful beauty bright canada color colorful conservation environment hiking landscape limestone natural ontario outdoor park provincial scenery scenic season spring tourism trail travel wild