Rore is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the municipalities of Grimstad

Grimstad

is a town and municipality in Aust-Agder county, Norway. It belongs to the geographical region of Sørlandet. The administrative center of the municipality is the town of Grimstad. Other notable places in Grimstad include Eide, Fevik, Fjære, Landvik, Prestegårdskogen, Reddal, and Roresanden.It is...

 and Arendal

Arendal

is a town and municipality in the county of Aust-Agder, Norway. Arendal belongs to the traditional region of Sørlandet.The town of Arendal is the administrative center the municipality and also of Aust-Agder county...

 in Aust-Agder

Aust-Agder

is a county in Norway, bordering Telemark, Rogaland, and Vest-Agder. In 2002, there were 102,945 inhabitants, which is 2.2% of the total population in Norway. Its area is . The administrative center of the county is in Arendal....

 county, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. This lake, which is used as a reservoir

Reservoir

A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

, lies mostly in Grimstad. There is a public beach area at the southern end of the lake, near the Roresanden village. The lake is located about 3 kilometres (1.9 mi) from the city center of Grimstad, near Landvik

Landvik

Landvik is a former municipality in Aust-Agder county, Norway. It was located to the west of the town of Grimstad in southern Norway. Today, the name Landvik is still used to designate the westernmost part of the town of Grimstad, near the Prestegårdskogen housing development.-Name:The...

.

The lake Syndle

Syndle

Syndle is a lake in the municipality of Grimstad in Aust-Agder county, Norway. It's located about northwest of the city center of Grimstad, in the Landvik area. Syndle has an area of about and flows into a small river on the northeast part of the lake which connects it to the neighboring lake...

 flows into Rore from the east and Rore is connected to the river Nidelva

Nidelva (Aust-Agder)

Nidelva in Aust-Agder is the main river in the Arendal drainage basin. It is formed by the confluence of two rivers, Nisserelva and Fyreselv. The river flows into the Skagerak at Arendal. The total length of the system is , the watershed covers...

at the northern end. The lake has an area of 7.76 square kilometres (3 sq mi) at an elevation of 39 metres (128 ft) above sea level.