Blue Lake North Lobe The Blue Lake North Lobe is in the Cape Roys area, In Ross Island. Code: BLNL North lobe of ice-covered lake, <5 m moat, area is about 41,529, at the time, the water temperature was about 6.3 degrees celsius. Coordinates: Latitude: -77.543998718262 Longitude: 166.176635742188 Read more about Blue Lake North Lobe