Pictures of Petermann Glacier. This beautiful glacier is located in North-West Greenland to the east of Nares Strait, and is the northenmost glacier in the world. This glacier connects the Greenland ice sheet to the ocean near 81 degrees north latitude. Petermann Glacier consists of a 70 km long and 15 km wide floating ice tongue whose thickness changes from about 600 m at its grounding line to about 30-80 m at its front.