Constance Blackwood is a fictional character from the short story "The Willows," written by Algernon Blackwood. She is often depicted as a strong and independent woman, embodying themes of nature and the supernatural. Her character is known for her deep connection to the environment and her ability to sense the unseen forces around her. In the story, Constance's experiences highlight the tension between humanity and the natural world. Her interactions with the mysterious landscape serve to illustrate the broader themes of cosmic horror and the unknown, which are prevalent in Blackwood's works.