Margerie Glacier is a stunning tidewater glacier located in Glacier Bay National Park in Alaska. It is approximately 21 miles long and is known for its striking blue ice and dramatic calving events, where chunks of ice break off and crash into the water. The glacier is named after Georges Margerie, a French geographer who studied the region in the early 20th century. Margerie Glacier is part of a larger glacial system and is a popular destination for tourists, offering breathtaking views and opportunities for wildlife observation in the surrounding area.