What are the waterways in Iceland?

* Þingvallavatn: Located in the southwest of Iceland, Þingvallavatn is the largest lake in the country. It is about 84 km² in area and has a maximum depth of 114 m. The lake is located in a rift valley and is fed by glacial runoff.

* Mývatn: Mývatn is located in the north of Iceland and is the fourth-largest lake in the country. It is about 37 km² in area and has a maximum depth of 4.5 m. The lake is surrounded by volcanic terrain and is home to a variety of birdlife.

* Jökulsárlón: Jökulsárlón is a glacier lagoon located on the south coast of Iceland. It is about 18 km² in area and has a maximum depth of 284 m. The lagoon is fed by the Breiðamerkurjökull glacier and is home to a variety of icebergs.

Rivers

* Þjórsá: Þjórsá is the longest river in Iceland. It is about 230 km long and flows from the Hofsjökull glacier in the central highlands of Iceland to the Atlantic Ocean in the south. The river is used for hydroelectric power generation and is home to a variety of fish species.

* Hvítá: Hvítá is the second longest river in Iceland. It is about 160 km long and flows from the Langjökull glacier in the central highlands of Iceland to the Atlantic Ocean in the west. The river is used for hydroelectric power generation and is home to a variety of fish species.

* Skjálfandafljót: Skjálfandafljót is the third longest river in Iceland. It is about 150 km long and flows from the Vatnajökull glacier in the southeast of Iceland to the Arctic Ocean in the north. The river is used for hydroelectric power generation and is home to a variety of fish species.