The island of Ireland is low in the middle, and high on the outside. Because of this, the middle of Ireland is full of _ beautiful lakes and rivers, where people fish and sail. _ Ireland's largest lake is _ Lough Neagh. The longest river is 385 km long. It is the Shannon which goes through many small lakes and two large ones - _ Lough Ree and _ Lough Derg. Most of the mountains are near the sea, the highest is in the southwest. But they are beautiful and _ good places to walk.