The highest lake in the world -- Lake Titicaca along Bolivia-Peru border -- freshwater lake -- world's highest navigable lake

The lowest lake -- Dead Sea (Jordan-Israel) -- saltwater lake

The deepest lake -- Lake Baikal in Russia-- also known as the blue eye of Siberia or the SACRED Sea -- freshwater lake

The largest lake -- Caspian Sea  ( countries bordering caspian -- clockwise from top to bottom -- Russia, Kazakastan, Turkmenistan, Iran, Azerbaijan) --largest saltwater lake

The higest Glacial lake -- Devtal (India) -- freshwater lake

Rift Valley lakes -- All lakes in and around the Rift valley in Africa, except lake Victoria, fall in the rift valley zone.

Lake Victoria -- Kenya,  Uganda, Tanzania --  freshwater lake -- largest tropical lake in the world

There are 3 lakes in Tanzania -- Lake Victoria, Lake Tanganyika (second deepest lake in the world -- freshwater), Lake Mallawi