First woman to traverse from the Amazon River to Cayenne in 1912.
In early 1912, Harriet Chalmers Adams embarked on a challenging overland journey from the Amazon River to Cayenne, French Guiana, becoming the first woman to complete this route. Her expedition, which crossed extremely demanding terrain and involved immersive interactions with local cultures, exemplified her fearless spirit and contributed significantly to the documentation and understanding of South American geography.