The stunning Prince Christian Sound connects the Labrador Sea with the Irminger Sea. It is around 100 km (60 miles) long and it is narrow, sometimes only 500 metres (1,600 ft) wide. There is only one settlement along this sound, Aappilattoq. The long fjord system is mostly surrounded by steep mountains reaching over 2,200 metres (7,200 ft) high. Many glaciers go straight into its waters where they calve icebergs. There are often strong tidal currents limiting the formation of ice. It has many offshoots, such as Kangerluk Fjord to the north midway through the fjord, Ikeq Fjord in the south, and in the west Ilua Fjord, Ikerasaq Fjord (Akuliarutsip Imaa), Utoqqarmiut Fjord (Pamialluup Kujatinngua) and the Torsukattak Fjord.